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.

A386071 Primes having only {0, 4, 5, 9} as digits.

Original entry on oeis.org

5, 59, 409, 449, 499, 509, 599, 4049, 4099, 4409, 4549, 4909, 4999, 5009, 5059, 5099, 5449, 9049, 9059, 9949, 40009, 40099, 40459, 40499, 40559, 40949, 44059, 44449, 44549, 44909, 44959, 45599, 45949, 45959, 49009, 49409, 49459, 49499, 49549, 49559, 49999, 50459
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Crossrefs

Supersequence of A385758, A385769, A385793.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 4, 5, 9]];
    
  • Mathematica
    Select[FromDigits /@ Tuples[{0, 4, 5, 9}, n], PrimeQ]
  • PARI
    primes_with(, 1, [0, 4, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("0459"), 41))) # uses function/imports in A385776
    

A386122 Primes having only {1, 4, 5, 9} as digits.

Original entry on oeis.org

5, 11, 19, 41, 59, 149, 151, 191, 199, 419, 449, 491, 499, 541, 599, 911, 919, 941, 991, 1151, 1451, 1459, 1499, 1511, 1549, 1559, 1949, 1951, 1999, 4111, 4159, 4441, 4451, 4519, 4549, 4591, 4919, 4951, 4999, 5119, 5419, 5441, 5449, 5519, 5591, 9151, 9199, 9419
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Crossrefs

Supersequence of A260268, A260271, A385781, A385793.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 4, 5, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 4, 5, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 4, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1459"), 41))) # uses function/imports in A385776
    

A386154 Primes having only {2, 4, 5, 9} as digits.

Original entry on oeis.org

2, 5, 29, 59, 229, 449, 499, 599, 929, 2459, 2549, 2999, 4229, 4259, 4549, 4999, 5449, 9929, 9949, 22229, 22259, 22549, 24229, 24499, 25229, 25999, 29429, 29599, 29959, 42299, 42499, 42929, 44249, 44449, 44549, 44959, 45259, 45599, 45949, 45959, 49429, 49459
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385785, A385786, A385793.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 4, 5, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 4, 5, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 4, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2459"), 41))) # uses function/imports in A385776
    

A386172 Primes having only {3, 4, 5, 9} as digits.

Original entry on oeis.org

3, 5, 43, 53, 59, 349, 353, 359, 433, 439, 443, 449, 499, 593, 599, 953, 3343, 3359, 3433, 3449, 3499, 3533, 3539, 3559, 3593, 3943, 4339, 4349, 4493, 4549, 4933, 4943, 4993, 4999, 5333, 5393, 5399, 5443, 5449, 5939, 5953, 9343, 9349, 9433, 9439, 9533, 9539, 9949
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A199345, A199349, A260227, A385793.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 4, 5, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 4, 5, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 4, 5, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3459"), 41))) # uses function/imports in A385776
    

A386189 Primes having only {4, 5, 6, 9} as digits.

Original entry on oeis.org

5, 59, 449, 499, 569, 599, 659, 4549, 4649, 4969, 4999, 5449, 5569, 5659, 5669, 6449, 6469, 6569, 6599, 6659, 6949, 6959, 9649, 9949, 44449, 44549, 44699, 44959, 45569, 45599, 45659, 45949, 45959, 46499, 46549, 46559, 46649, 49459, 49499, 49549, 49559, 49669
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A107666, A385793, A385797.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 6, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 6, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 5, 6, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4569"), 41))) # uses function/imports in A385776
    

A386191 Primes having only {4, 5, 7, 9} as digits.

Original entry on oeis.org

5, 7, 47, 59, 79, 97, 449, 457, 479, 499, 547, 557, 577, 599, 757, 797, 947, 977, 997, 4447, 4457, 4547, 4549, 4597, 4759, 4799, 4957, 4999, 5449, 5477, 5479, 5557, 5749, 5779, 7457, 7459, 7477, 7499, 7547, 7549, 7559, 7577, 7757, 7759, 7949, 9479, 9497, 9547
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A217039, A260831, A261183, A385793.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 7, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 7, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 5, 7, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4579"), 41))) # uses function/imports in A385776
    

A386192 Primes having only {4, 5, 8, 9} as digits.

Original entry on oeis.org

5, 59, 89, 449, 499, 599, 859, 4549, 4889, 4999, 5449, 5849, 8599, 8849, 8999, 9859, 9949, 44449, 44549, 44959, 45589, 45599, 45949, 45959, 45989, 48449, 48589, 48859, 48889, 48989, 49459, 49499, 49549, 49559, 49999, 54449, 54499, 54559, 54949, 54959, 55589, 55849
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A385793, A385796, A385798.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [4, 5, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("4589"), 41))) # uses function/imports in A385776
    
Showing 1-7 of 7 results.