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 1-5 of 5 results.

A241676 2^p - 3 where p is prime.

Original entry on oeis.org

1, 5, 29, 125, 2045, 8189, 131069, 524285, 8388605, 536870909, 2147483645, 137438953469, 2199023255549, 8796093022205, 140737488355325, 9007199254740989, 576460752303423485, 2305843009213693949, 147573952589676412925, 2361183241434822606845
Offset: 1

Views

Author

Vincenzo Librandi, Apr 29 2014

Keywords

Crossrefs

Cf. similar sequence listed in A241573.

Programs

  • Magma
    [2^p-3: p in PrimesUpTo(100)];
  • Mathematica
    Table[2^Prime[n] - 3, {n, 20}]

A241677 2^p + 5 where p is prime.

Original entry on oeis.org

9, 13, 37, 133, 2053, 8197, 131077, 524293, 8388613, 536870917, 2147483653, 137438953477, 2199023255557, 8796093022213, 140737488355333, 9007199254740997, 576460752303423493, 2305843009213693957, 147573952589676412933, 2361183241434822606853
Offset: 1

Views

Author

Vincenzo Librandi, Apr 29 2014

Keywords

Crossrefs

Cf. similar sequence listed in A241573.

Programs

  • Magma
    [2^p + 5: p in PrimesUpTo(100)];
  • Mathematica
    Table[2^Prime[n] + 5, {n, 40}]

A241678 2^p - 5 where p is prime.

Original entry on oeis.org

-1, 3, 27, 123, 2043, 8187, 131067, 524283, 8388603, 536870907, 2147483643, 137438953467, 2199023255547, 8796093022203, 140737488355323, 9007199254740987, 576460752303423483, 2305843009213693947, 147573952589676412923, 2361183241434822606843
Offset: 1

Views

Author

Vincenzo Librandi, Apr 29 2014

Keywords

Crossrefs

Cf. similar sequence listed in A241573.

Programs

  • Magma
    [2^p-5: p in PrimesUpTo(100)];
  • Mathematica
    Table[2^Prime[n] - 5, {n, 40}]

A241679 2^p + 7 where p is prime.

Original entry on oeis.org

11, 15, 39, 135, 2055, 8199, 131079, 524295, 8388615, 536870919, 2147483655, 137438953479, 2199023255559, 8796093022215, 140737488355335, 9007199254740999, 576460752303423495, 2305843009213693959, 147573952589676412935, 2361183241434822606855
Offset: 1

Views

Author

Vincenzo Librandi, Apr 29 2014

Keywords

Crossrefs

Cf. similar sequence listed in A241573.

Programs

  • Magma
    [2^p+7: p in PrimesUpTo(100)];
  • Mathematica
    Table[2^Prime[n] + 7, {n, 40}]

A241680 2^p + 11 where p is prime.

Original entry on oeis.org

15, 19, 43, 139, 2059, 8203, 131083, 524299, 8388619, 536870923, 2147483659, 137438953483, 2199023255563, 8796093022219, 140737488355339, 9007199254741003, 576460752303423499, 2305843009213693963, 147573952589676412939, 2361183241434822606859
Offset: 1

Views

Author

Vincenzo Librandi, Apr 29 2014

Keywords

Crossrefs

Cf. similar sequence listed in A241573.

Programs

  • Magma
    [2^p+11: p in PrimesUpTo(100)];
  • Mathematica
    Table[2^Prime[n] + 11, {n, 40}]
Showing 1-5 of 5 results.