cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A385790 Primes having only {2, 8, 9} as digits.

Original entry on oeis.org

2, 29, 89, 229, 829, 929, 2999, 8929, 8999, 9829, 9929, 22229, 28229, 28289, 29989, 82889, 88289, 89899, 89989, 92899, 98299, 98899, 98929, 98999, 99289, 99829, 99929, 99989, 222289, 228299, 228829, 228929, 228989, 282229, 282299, 282889, 288929, 288989, 289889
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Supersequence of A020460, A020472.
Cf. A000040, A030433, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("289"), 41))) # uses function/imports in A385776

A385791 Primes having only {3, 6, 8} as digits.

Original entry on oeis.org

3, 83, 383, 683, 863, 883, 3833, 3863, 6833, 6863, 6883, 8363, 8663, 8863, 33863, 36383, 36683, 36833, 38333, 38833, 63863, 66383, 66683, 66863, 66883, 68633, 68683, 68863, 83383, 83663, 83833, 88663, 88883, 333383, 336683, 336863, 338383, 338683, 363683, 363833
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Subsequence of A030431.
Supersequence of A020464.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 6, 8]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 6, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 6, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("368"), 41))) # uses function/imports in A385776

A385792 Primes having only {3, 8, 9} as digits.

Original entry on oeis.org

3, 83, 89, 383, 389, 839, 883, 983, 3389, 3833, 3889, 3989, 8389, 8839, 8893, 8933, 8999, 9833, 9839, 9883, 33889, 33893, 38333, 38393, 38833, 38839, 38933, 38993, 39383, 39839, 39883, 39983, 39989, 83339, 83383, 83389, 83399, 83833, 83933, 83939, 83983, 88339
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Supersequence of A020464, A020472.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("389"), 41))) # uses function/imports in A385776

A385793 Primes having only {4, 5, 9} as digits.

Original entry on oeis.org

5, 59, 449, 499, 599, 4549, 4999, 5449, 9949, 44449, 44549, 44959, 45599, 45949, 45959, 49459, 49499, 49549, 49559, 49999, 54449, 54499, 54559, 54949, 54959, 55949, 59999, 94559, 94949, 94999, 95549, 95959, 99559, 444449, 445499, 449459, 449549, 449959, 455599
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Supersequence of A020466, A020468.
Cf. A000040, A030433, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("459"), 41))) # uses function/imports in A385776

A385794 Primes having only {4, 6, 7} as digits.

Original entry on oeis.org

7, 47, 67, 467, 647, 677, 4447, 7477, 44647, 44777, 46447, 46477, 46747, 47777, 64667, 64747, 66467, 67447, 67477, 67777, 74747, 76667, 76777, 77447, 77477, 77647, 77747, 444677, 444767, 446447, 446477, 446647, 446767, 447467, 447677, 464447, 464467, 464647, 464747
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Subsequence of A030432.
Supersequence of A020465, A020469.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 6, 7]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("467"), 41))) # uses function/imports in A385776

A385795 Primes having only {4, 7, 8} as digits.

Original entry on oeis.org

7, 47, 487, 787, 877, 887, 4447, 4787, 4877, 7477, 7487, 7877, 8447, 8747, 8887, 44777, 44887, 47777, 48487, 48787, 48847, 74747, 74887, 77447, 77477, 77747, 78487, 78787, 78877, 78887, 84787, 87877, 87887, 88747, 444487, 444877, 444887, 447877, 474787, 474847
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Subsequence of A030432.
Supersequence of A020465, A020470.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 7, 8]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("478"), 41))) # uses function/imports in A385776

A385797 Primes having only {5, 6, 9} as digits.

Original entry on oeis.org

5, 59, 569, 599, 659, 5569, 5659, 5669, 6569, 6599, 6659, 6959, 56569, 56599, 56659, 56999, 59659, 59669, 59699, 59999, 65599, 65699, 66569, 66959, 69959, 95569, 95959, 96959, 99559, 556559, 556999, 565559, 566659, 566999, 569599, 569659, 596569, 596599, 596669
Offset: 1

Views

Author

Jason Bard, Jul 13 2025

Keywords

Links

Crossrefs

Supersequence of A020468.
Cf. A000040, A030433, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 6, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 6, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 6, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("569"), 41))) # uses function/imports in A385776

A385798 Primes having only {5, 8, 9} as digits.

Original entry on oeis.org

5, 59, 89, 599, 859, 8599, 8999, 9859, 55589, 55889, 58889, 59999, 85889, 85999, 88589, 89599, 89899, 89959, 89989, 95959, 95989, 98899, 98999, 99559, 99859, 99989, 555589, 558599, 559859, 585889, 585899, 585989, 589859, 598999, 599899, 599959, 599999, 855889
Offset: 1

Views

Author

Jason Bard, Jul 14 2025

Keywords

Links

Crossrefs

Supersequence of A020468, A020472.
Cf. A000040, A030433, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("589"), 41))) # uses function/imports in A385776

A385769 Primes having only {0, 5, 9} as digits.

Original entry on oeis.org

5, 59, 509, 599, 5009, 5059, 5099, 9059, 50599, 50909, 55009, 59009, 59509, 59999, 90059, 90599, 95009, 95959, 99559, 500009, 500509, 500909, 505559, 509909, 509959, 550009, 550909, 559099, 590099, 590599, 590959, 599009, 599959, 599999, 900959
Offset: 1

Views

Author

Jason Bard, Jul 09 2025

Keywords

Examples

			5009 is a term because it is prime and has only {0,5,9} as digits.

Links

Crossrefs

Supersequence of A020468. Cf. A000040, A030433, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 5, 9]];
  • Mathematica
    Select[FromDigits/@Tuples[{0,5,9},5],PrimeQ]
  • PARI
    primes_with(, 1, [0, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("059"), 41))) # uses function/imports in A385776

A385771 Primes having only {0, 7, 8} as digits.

Original entry on oeis.org

7, 787, 877, 887, 7877, 8087, 8707, 8807, 8887, 70877, 78007, 78707, 78787, 78877, 78887, 80077, 80777, 87877, 87887, 88007, 88807, 700087, 700877, 707887, 708007, 777787, 777877, 778777, 780707, 780877, 780887, 787777, 787807, 788077, 788087, 800077
Offset: 1

Views

Author

Jason Bard, Jul 09 2025

Keywords

Examples

			7877 is a term because it is prime and only has {0,7,8} as digits.

Links

Crossrefs

Subsequence of A030432.
Cf. A000040, A020470, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 7, 8]];
  • Mathematica
    Select[FromDigits/@Tuples[{0,7,8},5],PrimeQ]
  • PARI
    primes_with(, 1, [0, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("078"), 41))) # uses function/imports in A385776
Previous Showing 21-30 of 262 results. Next

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