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.

A260378 Primes having only {0, 3, 7} as digits.

Original entry on oeis.org

3, 7, 37, 73, 307, 337, 373, 733, 773, 3037, 3307, 3373, 3733, 7307, 7333, 7703, 30307, 30703, 30707, 30773, 33037, 33073, 33377, 33703, 33773, 37003, 37307, 37337, 70003, 70373, 73037, 73303, 77003, 77377, 77773, 300007, 300073, 300733, 303007, 303073, 303307
Offset: 1

Views

Author

Vincenzo Librandi, Jul 24 2015

Keywords

Comments

A020463 is a subsequence.

Crossrefs

Cf. Primes that contain only the digits (k,3,7): this sequence (k=0), A260379 (k=1), A214704 (k=2), A199347 (k=4), A087363 (k=5), A260380 (k=6), A260381 (k=8), A260382 (k=9).
Subsequence of A155055.

Programs

  • Magma
    [p: p in PrimesUpTo(5*10^5) | Set(Intseq(p)) subset [0, 3, 7]];
  • Mathematica
    Select[Prime[Range[4 10^4]], Complement[IntegerDigits[#],{0, 3, 7}]=={} &]

A386067 Primes having only {0, 3, 7, 8} as digits.

Original entry on oeis.org

3, 7, 37, 73, 83, 307, 337, 373, 383, 733, 773, 787, 877, 883, 887, 3037, 3083, 3307, 3373, 3733, 3803, 3833, 3877, 7307, 7333, 7703, 7873, 7877, 7883, 8087, 8377, 8387, 8707, 8737, 8783, 8803, 8807, 8837, 8887, 30307, 30703, 30707, 30773, 30803, 33037, 33073
Offset: 1

Views

Author

Jason Bard, Jul 16 2025

Keywords

Crossrefs

Supersequence of A260378, A260381, A261267, A385771.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 3, 7, 8]];
    
  • Mathematica
    Select[FromDigits /@ Tuples[{0, 3, 7, 8}, n], PrimeQ]
  • PARI
    primes_with(, 1, [0, 3, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("0378"), 41))) # uses function/imports in A385776
    

A386117 Primes having only {1, 3, 7, 8} as digits.

Original entry on oeis.org

3, 7, 11, 13, 17, 31, 37, 71, 73, 83, 113, 131, 137, 173, 181, 311, 313, 317, 331, 337, 373, 383, 733, 773, 787, 811, 877, 881, 883, 887, 1117, 1171, 1181, 1187, 1373, 1381, 1733, 1777, 1783, 1787, 1811, 1831, 1871, 1873, 1877, 3137, 3181, 3187, 3313, 3331, 3371
Offset: 1

Views

Author

Jason Bard, Jul 17 2025

Keywords

Crossrefs

Supersequence of A260379, A260381, A260892, A385778.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 3, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{1, 3, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [1, 3, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("1378"), 41))) # uses function/imports in A385776
    

A386150 Primes having only {2, 3, 7, 8} as digits.

Original entry on oeis.org

2, 3, 7, 23, 37, 73, 83, 223, 227, 233, 277, 283, 337, 373, 383, 727, 733, 773, 787, 823, 827, 877, 883, 887, 2237, 2273, 2287, 2333, 2377, 2383, 2777, 2833, 2837, 2887, 3323, 3373, 3727, 3733, 3823, 3833, 3877, 7237, 7283, 7333, 7723, 7727, 7823, 7873, 7877
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A214704, A260127, A260381, A385789.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [2, 3, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{2, 3, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [2, 3, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("2378"), 41))) # uses function/imports in A385776
    

A386176 Primes having only {3, 4, 7, 8} as digits.

Original entry on oeis.org

3, 7, 37, 43, 47, 73, 83, 337, 347, 373, 383, 433, 443, 487, 733, 743, 773, 787, 877, 883, 887, 3343, 3347, 3373, 3433, 3733, 3833, 3847, 3877, 4337, 4373, 4447, 4483, 4733, 4783, 4787, 4877, 7333, 7433, 7477, 7487, 7873, 7877, 7883, 8377, 8387, 8443, 8447, 8737
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A199347, A199348, A260381, A385795.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 4, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 4, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 4, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3478"), 41))) # uses function/imports in A385776
    

A386181 Primes having only {3, 5, 7, 8} as digits.

Original entry on oeis.org

3, 5, 7, 37, 53, 73, 83, 337, 353, 373, 383, 557, 577, 587, 733, 757, 773, 787, 853, 857, 877, 883, 887, 3373, 3533, 3557, 3583, 3733, 3833, 3853, 3877, 5333, 5387, 5557, 5573, 5737, 5783, 5857, 7333, 7537, 7573, 7577, 7583, 7753, 7757, 7853, 7873, 7877, 7883
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A087363, A260226, A260381, A260830.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 5, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 5, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 5, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3578"), 41))) # uses function/imports in A385776
    

A386184 Primes having only {3, 6, 7, 8} as digits.

Original entry on oeis.org

3, 7, 37, 67, 73, 83, 337, 367, 373, 383, 673, 677, 683, 733, 773, 787, 863, 877, 883, 887, 3373, 3637, 3673, 3677, 3733, 3767, 3833, 3863, 3877, 6337, 6367, 6373, 6637, 6673, 6733, 6737, 6763, 6833, 6863, 6883, 7333, 7673, 7687, 7867, 7873, 7877, 7883, 8363
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A260380, A260381, A385791, A385799.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 6, 7, 8]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 6, 7, 8}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 6, 7, 8]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3678"), 41))) # uses function/imports in A385776
    

A386187 Primes having only {3, 7, 8, 9} as digits.

Original entry on oeis.org

3, 7, 37, 73, 79, 83, 89, 97, 337, 373, 379, 383, 389, 397, 733, 739, 773, 787, 797, 839, 877, 883, 887, 937, 977, 983, 997, 3373, 3389, 3733, 3739, 3779, 3793, 3797, 3833, 3877, 3889, 3989, 7333, 7393, 7789, 7793, 7873, 7877, 7879, 7883, 7933, 7937, 7993, 8377
Offset: 1

Views

Author

Jason Bard, Jul 18 2025

Keywords

Crossrefs

Supersequence of A106110, A260381, A260382, A385792.

Programs

  • Magma
    [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [3, 7, 8, 9]];
    
  • Mathematica
    Flatten[Table[Select[FromDigits /@ Tuples[{3, 7, 8, 9}, n], PrimeQ], {n, 7}]]
  • PARI
    primes_with(, 1, [3, 7, 8, 9]) \\ uses function in A385776
  • Python
    print(list(islice(primes_with("3789"), 41))) # uses function/imports in A385776
    
Showing 1-8 of 8 results.