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.

A068946 Number of digits in A068943.

Original entry on oeis.org

1, 1, 2, 6, 22, 83, 316, 1213, 4667, 17992, 69509, 269058, 1043346, 4052518, 15764358, 61408219, 239510633, 935245088, 3655841616, 14304538696, 56021145629, 219579741115, 861327333405, 3381084681442, 13281106066320
Offset: 1

Views

Author

Francois Jooste (phukraut(AT)hotmail.com), Mar 10 2002

Keywords

Examples

			a(5)=22 since A068943(5)=2524286414780230533120.
		

Crossrefs

a(n) = length(A068943(n))

Programs

  • PARI
    for(n=1,20,print1(ceil((sum(m=1,n,binomial(m+n-2,m-1)*log(n-m+1)))/log(10)),","))

Extensions

More terms from Benoit Cloitre, Mar 11 2002