A139069 Number of 3's in A020458(n).

0, 1, 1, 1, 2, 3, 3, 4, 3, 3, 3, 2, 4, 4, 4, 5, 5, 5, 3, 3, 3, 3, 5, 5, 2, 3, 5, 5, 6, 5, 6, 1, 3, 3, 3, 3, 3, 4, 3, 3, 4, 7, 3, 7, 5, 5, 5, 4, 5, 7, 2, 5, 4, 4, 5, 5, 4, 5, 4, 5, 2, 4, 4, 4, 4, 5, 5, 4, 4, 5, 5, 7, 7, 4, 5, 7, 7, 5, 7, 7, 8, 7, 7, 3, 3, 5, 5, 3, 6, 3, 6, 6, 3, 5, 5, 5, 3, 6, 6

Offset

1,5

Links

Table of n, a(n) for n=1..99.

Crossrefs

Sequence in context: A352420 A215469 A007554 * A071866 A077603 A077567

Adjacent sequences: A139066 A139067 A139068 * A139070 A139071 A139072

Keyword

nonn,base

Author

Paul Curtz, Jun 05 2008

Extensions

More terms from Ray Chandler, Aug 06 2008

Status

approved