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.

A325145 Primes not representable by cyclotomic binary forms.

Original entry on oeis.org

2, 23, 47, 59, 71, 83, 107, 131, 167, 179, 191, 227, 239, 251, 263, 311, 347, 359, 383, 419, 431, 443, 467, 479, 491, 503, 563, 587, 599, 647, 659, 719, 743, 827, 839, 863, 887, 911, 947, 971, 983, 1019, 1091, 1103, 1151, 1163, 1187, 1223
Offset: 1

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Author

Peter Luschny, May 16 2019

Keywords

Crossrefs

A325143 gives the primes represented by cyclotomic binary forms.

Programs

  • Julia
    [n for n in 1:1223 if isprime(ZZ(n)) && ! isA325143(n)] |> println