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

Author

Paul Curtz, Jun 05 2008

Keywords

• nonn
• base

Extensions

More terms from Ray Chandler, Aug 06 2008