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 1-6 of 6 results.

A386087 Primes having only {1, 2, 3, 6} as digits.

Original entry on oeis.org

2, 3, 11, 13, 23, 31, 61, 113, 131, 163, 211, 223, 233, 263, 311, 313, 331, 613, 631, 661, 1123, 1163, 1213, 1223, 1231, 1321, 1361, 1613, 1621, 1663, 2111, 2113, 2131, 2161, 2213, 2221, 2311, 2333, 2621, 2633, 2663, 3121, 3163, 3221, 3313, 3323, 3331, 3361, 3613
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Links

Crossrefs

Supersequence of A062350, A260126, A385774, A385777.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 3, 6]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 3, 6}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 3, 6]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1236"), 41))) # uses function/imports in A385776

A386092 Primes having only {1, 2, 4, 6} as digits.

Original entry on oeis.org

2, 11, 41, 61, 211, 241, 421, 461, 641, 661, 1621, 2111, 2141, 2161, 2221, 2411, 2441, 2621, 4111, 4211, 4241, 4261, 4421, 4441, 4621, 6121, 6211, 6221, 6421, 6661, 11161, 11261, 11411, 11621, 12161, 12211, 12241, 12421, 12611, 12641, 14221, 14411, 14461, 14621
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Links

Crossrefs

Supersequence of A260267, A260269, A385774.
Cf. A000040, A030430, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 4, 6]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 4, 6}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 4, 6]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1246"), 41))) # uses function/imports in A385776

A386095 Primes having only {1, 2, 5, 6} as digits.

Original entry on oeis.org

2, 5, 11, 61, 151, 211, 251, 521, 661, 1151, 1511, 1621, 2111, 2161, 2221, 2251, 2521, 2551, 2621, 5261, 5521, 5651, 6121, 6151, 6211, 6221, 6521, 6551, 6661, 11161, 11251, 11261, 11551, 11621, 12161, 12211, 12251, 12511, 12611, 15121, 15161, 15511, 15551, 15661
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Links

Crossrefs

Supersequence of A385773, A385774, A385779.
Cf. A000040, A030430, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 5, 6]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 5, 6}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 5, 6]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1256"), 41))) # uses function/imports in A385776

A386099 Primes having only {1, 2, 6, 7} as digits.

Original entry on oeis.org

2, 7, 11, 17, 61, 67, 71, 127, 167, 211, 227, 271, 277, 617, 661, 677, 727, 761, 1117, 1171, 1217, 1277, 1621, 1627, 1667, 1721, 1777, 2111, 2161, 2221, 2267, 2617, 2621, 2671, 2677, 2711, 2767, 2777, 6121, 6211, 6217, 6221, 6271, 6277, 6661, 6761, 7121, 7127
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Links

Crossrefs

Supersequence of A260889, A260891, A385774, A385787.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 6, 7]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1267"), 41))) # uses function/imports in A385776

A386100 Primes having only {1, 2, 6, 8} as digits.

Original entry on oeis.org

2, 11, 61, 181, 211, 281, 661, 811, 821, 881, 1181, 1621, 1811, 1861, 2111, 2161, 2221, 2281, 2621, 2861, 6121, 6211, 6221, 6661, 8111, 8161, 8221, 8681, 8821, 8861, 11161, 11261, 11621, 11681, 11821, 12161, 12211, 12281, 12611, 12821, 16111, 16661, 16811, 18121
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Links

Crossrefs

Supersequence of A385774, A385775, A385782.
Cf. A000040, A030430, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 6, 8]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 6, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 6, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1268"), 41))) # uses function/imports in A385776

A386101 Primes having only {1, 2, 6, 9} as digits.

Original entry on oeis.org

2, 11, 19, 29, 61, 191, 199, 211, 229, 269, 619, 661, 691, 911, 919, 929, 991, 1129, 1229, 1291, 1619, 1621, 1669, 1699, 1999, 2111, 2129, 2161, 2221, 2269, 2621, 2699, 2969, 2999, 6121, 6199, 6211, 6221, 6229, 6269, 6299, 6619, 6661, 6691, 6911, 6961, 6991, 9161
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Links

Crossrefs

Supersequence of A363023, A385774, A385776, A385788.
Cf. A000040, A385776.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 6, 9]];
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 2, 6, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 2, 6, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1269"), 41))) # uses function/imports in A385776
Showing 1-6 of 6 results.

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