A022479 Number of 3's in n-th term of A006711.

0, 0, 0, 0, 1, 1, 2, 2, 1, 2, 3, 5, 6, 8, 13, 16, 21, 30, 38, 50, 63, 86, 115, 145, 193, 258, 355, 466, 609, 820, 1093, 1449, 1898, 2523, 3380, 4450, 5878, 7834, 10430, 13798, 18246, 24299, 32307, 42806, 56685, 75342, 100107, 132631

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Crossrefs

Cf. A006711, A022477, A022478.

Extensions

More terms from Sean A. Irvine, May 15 2019