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.

A112568 Secondary diagonal of square table A112564 of generalized Flavius Josephus sieves.

Original entry on oeis.org

1, 3, 13, 61, 241, 1051, 5041, 20161, 91081, 392041, 1681681, 6530173, 27168961, 115590931
Offset: 1

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Author

Paul D. Hanna, Oct 14 2005

Keywords

Crossrefs

Programs

  • PARI
    {a(n)=local(A=n,B=0,k=0);if(n==0,1, until(A==B,k=k+1;if(k%(n+1)==0,k=k+1);B=A;A=floor(A*(k+1)/k));1+A)}