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.

Showing 1-8 of 8 results.

A385800 Primes having only {6, 8, 9} as digits.

Original entry on oeis.org

89, 6689, 6869, 6899, 8669, 8689, 8699, 8969, 8999, 9689, 66889, 68669, 68699, 68899, 69899, 86689, 86869, 86969, 88969, 89669, 89689, 89899, 89989, 96989, 98669, 98689, 98869, 98899, 98999, 99689, 99989, 666889, 666989, 668699, 668869, 668989, 668999, 669689, 669869
Offset: 1

Views

Author

Jason Bard, Jul 14 2025

Keywords

Links

Crossrefs

Subsequence of A030431, A106111.
Supersequence of A020472.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [6, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{6, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [6, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("689"), 41))) # uses function/imports in A385776

A106110 Primes having only {7, 8, 9} as digits.

Original entry on oeis.org

7, 79, 89, 97, 787, 797, 877, 887, 977, 997, 7789, 7877, 7879, 8779, 8887, 8999, 9787, 9887, 77797, 77899, 77977, 77999, 78779, 78787, 78797, 78877, 78887, 78889, 78977, 78979, 78989, 79777, 79889, 79979, 79987, 79997, 79999
Offset: 1

Views

Author

Zak Seidov, May 07 2005

Keywords

Links

Crossrefs

Cf. A106107, A106111, A106112.

Programs

  • Mathematica
    Select[Prime[Range[8000]], Min[IntegerDigits[ # ]]>6&]

Extensions

Name changed by Sean A. Irvine, Jul 20 2025

A385799 Primes having only {6, 7, 8} as digits.

Original entry on oeis.org

7, 67, 677, 787, 877, 887, 7687, 7867, 7877, 8677, 8867, 8887, 66877, 67777, 67867, 68687, 68767, 68777, 76667, 76777, 77687, 77867, 78787, 78877, 78887, 86677, 86767, 87767, 87877, 87887, 88667, 88867, 666667, 667687, 667867, 668677, 668687, 668867, 677687, 677767
Offset: 1

Views

Author

Jason Bard, Jul 14 2025

Keywords

Links

Crossrefs

Subsequence of A030432, A106111.
Supersequence of A020469, A020470.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [6, 7, 8]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{6, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [6, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("678"), 41))) # uses function/imports in A385776

A106112 Primes with minimal digit > 4.

Original entry on oeis.org

5, 7, 59, 67, 79, 89, 97, 557, 569, 577, 587, 599, 659, 677, 757, 769, 787, 797, 857, 859, 877, 887, 967, 977, 997, 5557, 5569, 5657, 5659, 5669, 5689, 5779, 5857, 5867, 5869, 5879, 5897, 5987, 6569, 6577, 6599, 6659, 6679, 6689, 6779, 6857, 6869, 6899, 6959
Offset: 1

Views

Author

Zak Seidov, May 07 2005

Keywords

Links

Crossrefs

Cf. A036956 (primes with maximal digit <= 4).
Cf. A106110, A106111, A106114, A106115.

Programs

  • Mathematica
    Select[Prime[Range[1000]], Min[IntegerDigits[ # ]]>4&]

A386196 Primes having only {5, 6, 7, 8} as digits.

Original entry on oeis.org

5, 7, 67, 557, 577, 587, 677, 757, 787, 857, 877, 887, 5557, 5657, 5857, 5867, 6577, 6857, 7577, 7687, 7757, 7867, 7877, 8677, 8867, 8887, 55667, 55787, 56687, 56767, 56857, 57557, 57587, 57667, 57787, 58567, 58657, 58687, 58757, 58787, 65557, 65587, 65657, 65677
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Links

Crossrefs

Supersequence of A260829, A260830, A385799.
Cf. A000040, A030432, A106111, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 6, 7, 8]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 6, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 6, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("5678"), 41))) # uses function/imports in A385776

A386197 Primes having only {5, 6, 7, 9} as digits.

Original entry on oeis.org

5, 7, 59, 67, 79, 97, 557, 569, 577, 599, 659, 677, 757, 769, 797, 967, 977, 997, 5557, 5569, 5657, 5659, 5669, 5779, 6569, 6577, 6599, 6659, 6679, 6779, 6959, 6967, 6977, 6997, 7559, 7577, 7669, 7699, 7757, 7759, 9677, 9679, 9697, 9767, 9769, 9967, 55579, 55667
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Links

Crossrefs

Supersequence of A260829, A260831, A261184, A385797.
Cf. A000040, A106111, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 6, 7, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 6, 7, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 6, 7, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("5679"), 41))) # uses function/imports in A385776

A386198 Primes having only {5, 6, 8, 9} as digits.

Original entry on oeis.org

5, 59, 89, 569, 599, 659, 859, 5569, 5659, 5669, 5689, 5869, 6569, 6599, 6659, 6689, 6869, 6899, 6959, 8599, 8669, 8689, 8699, 8969, 8999, 9689, 9859, 55589, 55889, 56569, 56599, 56659, 56989, 56999, 58699, 58889, 59659, 59669, 59699, 59999, 65599, 65699, 65899
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Links

Crossrefs

Supersequence of A385797, A385798, A385800.
Cf. A000040, A030433, A106111, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 6, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 6, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 6, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("5689"), 41))) # uses function/imports in A385776

A386199 Primes having only {5, 7, 8, 9} as digits.

Original entry on oeis.org

5, 7, 59, 79, 89, 97, 557, 577, 587, 599, 757, 787, 797, 857, 859, 877, 887, 977, 997, 5557, 5779, 5857, 5879, 5897, 5987, 7559, 7577, 7589, 7757, 7759, 7789, 7877, 7879, 8597, 8599, 8779, 8887, 8999, 9587, 9787, 9857, 9859, 9887, 55579, 55589, 55787, 55799, 55889
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Links

Crossrefs

Supersequence of A106110, A260830, A260831, A385798.
Cf. A000040, A106111, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [5, 7, 8, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{5, 7, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [5, 7, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("5789"), 41))) # uses function/imports in A385776
Showing 1-8 of 8 results.

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