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.

A204138 Primes in A001945, apart from initializing 6 terms.

Original entry on oeis.org

7, 5, 19, 11, 23, 61, 137, 229, 599, 1151, 5953, 101107, 549149, 16036673, 28158577, 468599149, 63088004325217, 3233514251032733, 53815701950239487, 14906561637522623977, 248091402816751952399, 1712077530466014390485776063
Offset: 1

Views

Author

Reinhard Zumkeller, Jan 11 2012

Keywords

Comments

a(n) = A001945(A104499(n+1)).

Crossrefs

Cf. A001945.

Programs

  • Haskell
    a204138 n = a204138_list !! (n-1)
    a204138_list = filter ((== 1) . a010051) $ drop 6 a001945_list