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 1-7 of 7 results.

A386055 Primes having only {0, 2, 8, 9} as digits.

Original entry on oeis.org

2, 29, 89, 229, 809, 829, 929, 2029, 2089, 2099, 2909, 2999, 8009, 8089, 8209, 8929, 8999, 9029, 9209, 9829, 9929, 20029, 20089, 20809, 20899, 20929, 22229, 28099, 28229, 28289, 28909, 29009, 29209, 29989, 80209, 80809, 80909, 80929, 80989, 82009, 82889, 88289
Offset: 1

Views

Author

Jason Bard, Jul 15 2025

Keywords

Crossrefs

Supersequence of A261268, A385772, A385790.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 2, 8, 9]];
    
  • Mathematica
    Select[FromDigits /@ Tuples[{0, 2, 8, 9}, n], PrimeQ]
  • PARI
    primes_with(, 1, [0, 2, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("0289"), 41))) # uses function/imports in A385776
    

A386104 Primes having only {1, 2, 8, 9} as digits.

Original entry on oeis.org

2, 11, 19, 29, 89, 181, 191, 199, 211, 229, 281, 811, 821, 829, 881, 911, 919, 929, 991, 1129, 1181, 1229, 1289, 1291, 1811, 1889, 1999, 2111, 2129, 2221, 2281, 2819, 2999, 8111, 8191, 8219, 8221, 8291, 8819, 8821, 8929, 8999, 9181, 9199, 9221, 9281, 9811, 9829
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Crossrefs

Supersequence of A385775, A385776, A385783, A385790.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1289"), 41))) # uses function/imports in A385776
    

A386152 Primes having only {2, 3, 8, 9} as digits.

Original entry on oeis.org

2, 3, 23, 29, 83, 89, 223, 229, 233, 239, 283, 293, 383, 389, 823, 829, 839, 883, 929, 983, 2239, 2293, 2333, 2339, 2383, 2389, 2393, 2399, 2833, 2939, 2999, 3229, 3299, 3323, 3329, 3389, 3823, 3833, 3889, 3923, 3929, 3989, 8233, 8293, 8329, 8389, 8839, 8893
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A260127, A260128, A385790, A385792.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 3, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 3, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 3, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2389"), 41))) # uses function/imports in A385776
    

A386159 Primes having only {2, 4, 8, 9} as digits.

Original entry on oeis.org

2, 29, 89, 229, 449, 499, 829, 929, 2999, 4229, 4289, 4889, 4999, 8429, 8849, 8929, 8999, 9829, 9929, 9949, 22229, 24229, 24499, 24889, 24989, 28229, 28289, 28429, 28499, 28949, 29429, 29989, 42299, 42499, 42829, 42899, 42929, 42989, 44249, 44449, 48299, 48449
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385785, A385790, A385796.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 4, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 4, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 4, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2489"), 41))) # uses function/imports in A385776
    

A386164 Primes having only {2, 5, 8, 9} as digits.

Original entry on oeis.org

2, 5, 29, 59, 89, 229, 599, 829, 859, 929, 2999, 8599, 8929, 8999, 9829, 9859, 9929, 22229, 22259, 22859, 25229, 25589, 25889, 25999, 28229, 28289, 28559, 28859, 29599, 29959, 29989, 52259, 52289, 52529, 52859, 52889, 52999, 55229, 55259, 55529, 55589, 55829
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385786, A385790, A385798.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 5, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 5, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 5, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2589"), 41))) # uses function/imports in A385776
    

A386167 Primes having only {2, 6, 8, 9} as digits.

Original entry on oeis.org

2, 29, 89, 229, 269, 829, 929, 2269, 2689, 2699, 2969, 2999, 6229, 6269, 6299, 6689, 6829, 6869, 6899, 8269, 8629, 8669, 8689, 8699, 8929, 8969, 8999, 9629, 9689, 9829, 9929, 22229, 22669, 22699, 26669, 26699, 28229, 28289, 28669, 29269, 29629, 29669, 29989, 62299
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385788, A385790, A385800.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 6, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 6, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 6, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2689"), 41))) # uses function/imports in A385776
    

A386168 Primes having only {2, 7, 8, 9} as digits.

Original entry on oeis.org

2, 7, 29, 79, 89, 97, 227, 229, 277, 727, 787, 797, 827, 829, 877, 887, 929, 977, 997, 2287, 2297, 2729, 2777, 2789, 2797, 2879, 2887, 2897, 2927, 2999, 7229, 7297, 7727, 7789, 7829, 7877, 7879, 7927, 8287, 8297, 8779, 8887, 8929, 8999, 9227, 9277, 9787, 9829
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A106110, A261182, A385789, A385790.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 7, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 7, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 7, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2789"), 41))) # uses function/imports in A385776
    
Showing 1-7 of 7 results.