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.

A051345 Odd numbers not of the form 3 + twin prime + twin prime.

Original entry on oeis.org

1, 3, 5, 7, 97, 99, 101, 403, 405, 407, 517, 519, 521, 787, 789, 791, 907, 909, 911, 1117, 1119, 1121, 1147, 1149, 1151, 1267, 1269, 1271, 1357, 1359, 1361, 3247, 3249, 3251, 4207, 4209, 4211
Offset: 1

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Author

Keywords

Crossrefs

Essentially A007534 + 3.

Programs

  • Mathematica
    tps=Flatten[Select[Partition[Prime[Range[2000]],2,1], Last[#]-First[#]==2&]]; Complement[Range[1,Last[tps],2], Union[Total[#]+3&/@Tuples[tps,{2}]]]  (* Harvey P. Dale, Apr 01 2011 *)

Extensions

No others below 100000. Conjectured to be complete.