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.

A386072 Primes having only {0, 4, 6, 7} as digits.

Original entry on oeis.org

7, 47, 67, 467, 607, 647, 677, 4007, 4447, 6007, 6047, 6067, 6607, 7477, 7607, 44647, 44777, 46447, 46477, 46747, 47407, 47777, 60077, 60607, 60647, 64007, 64067, 64667, 64747, 66047, 66067, 66467, 67447, 67477, 67607, 67777, 70067, 70607, 70667, 74047, 74077
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Crossrefs

Subsequence of A030432.
Supersequence of A384449, A385770, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 4, 6, 7]];
    
  • Mathematica
    Select[FromDigits /@ Tuples[{0, 4, 6, 7}, n], PrimeQ]
  • PARI
    primes_with(, 1, [0, 4, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("0467"), 41))) # uses function/imports in A385776
    

A386123 Primes having only {1, 4, 6, 7} as digits.

Original entry on oeis.org

7, 11, 17, 41, 47, 61, 67, 71, 167, 461, 467, 617, 641, 647, 661, 677, 761, 1117, 1171, 1447, 1471, 1667, 1741, 1747, 1777, 4111, 4177, 4441, 4447, 6661, 6761, 7177, 7411, 7417, 7477, 7717, 7741, 11117, 11161, 11171, 11177, 11411, 11447, 11467, 11471, 11617, 11677
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Crossrefs

Supersequence of A079651, A260269, A260891, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 4, 6, 7]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 4, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 4, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1467"), 41))) # uses function/imports in A385776
    

A386155 Primes having only {2, 4, 6, 7} as digits.

Original entry on oeis.org

2, 7, 47, 67, 227, 277, 467, 647, 677, 727, 2267, 2447, 2467, 2477, 2647, 2677, 2767, 2777, 4447, 6247, 6277, 6427, 7247, 7477, 7727, 22247, 22277, 22447, 22727, 22777, 24247, 24677, 24767, 26227, 26267, 26627, 26647, 26777, 27277, 27427, 27647, 27767, 42227
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385784, A385787, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 4, 6, 7]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 4, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 4, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2467"), 41))) # uses function/imports in A385776
    

A386173 Primes having only {3, 4, 6, 7} as digits.

Original entry on oeis.org

3, 7, 37, 43, 47, 67, 73, 337, 347, 367, 373, 433, 443, 463, 467, 643, 647, 673, 677, 733, 743, 773, 3343, 3347, 3373, 3433, 3463, 3467, 3637, 3643, 3673, 3677, 3733, 3767, 4337, 4363, 4373, 4447, 4463, 4637, 4643, 4663, 4673, 4733, 6337, 6343, 6367, 6373, 6473
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A199346, A199347, A260380, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 4, 6, 7]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 4, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 4, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3467"), 41))) # uses function/imports in A385776
    

A386188 Primes having only {4, 5, 6, 7} as digits.

Original entry on oeis.org

5, 7, 47, 67, 457, 467, 547, 557, 577, 647, 677, 757, 4447, 4457, 4547, 4567, 4657, 5477, 5557, 5647, 5657, 6547, 6577, 7457, 7477, 7547, 7577, 7757, 44647, 44657, 44777, 45557, 45667, 45677, 45757, 45767, 46447, 46457, 46477, 46567, 46747, 46757, 47657, 47777
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A217039, A260829, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 6, 7]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 6, 7}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 5, 6, 7]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4567"), 41))) # uses function/imports in A385776
    

A386193 Primes having only {4, 6, 7, 8} as digits.

Original entry on oeis.org

7, 47, 67, 467, 487, 647, 677, 787, 877, 887, 4447, 4787, 4877, 7477, 7487, 7687, 7867, 7877, 8447, 8467, 8647, 8677, 8747, 8867, 8887, 44647, 44687, 44777, 44867, 44887, 46447, 46477, 46687, 46747, 46867, 46877, 47777, 48487, 48647, 48677, 48767, 48787, 48847
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385794, A385795, A385799.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 6, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 6, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 6, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4678"), 41))) # uses function/imports in A385776
    

A386194 Primes having only {4, 6, 7, 9} as digits.

Original entry on oeis.org

7, 47, 67, 79, 97, 449, 467, 479, 499, 647, 677, 769, 797, 947, 967, 977, 997, 4447, 4649, 4679, 4799, 4967, 4969, 4999, 6449, 6469, 6679, 6779, 6947, 6949, 6967, 6977, 6997, 7477, 7499, 7649, 7669, 7699, 7949, 9467, 9479, 9497, 9649, 9677, 9679, 9697, 9749, 9767
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A107666, A261183, A261184, A385794.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 6, 7, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 6, 7, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 6, 7, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4679"), 41))) # uses function/imports in A385776
    
Showing 1-7 of 7 results.