A382729 Total number of entries in rows 0,1,...,n of Pascal's triangle not divisible by 4.

1, 3, 6, 10, 13, 19, 25, 33, 36, 42, 50, 62, 68, 80, 92, 108, 111, 117, 125, 137, 145, 161, 177, 201, 207, 219, 235, 259, 271, 295, 319, 351, 354, 360, 368, 380, 388, 404, 420, 444, 452, 468, 488, 520, 536, 568, 600, 648, 654, 666, 682, 706, 722, 754, 786, 834, 846, 870, 902, 950, 974, 1022, 1070, 1134, 1137, 1143, 1151

Offset: 0

Author

N. J. A. Sloane, Apr 23 2025

Keywords

• nonn

Crossrefs

Cf. A001316, A006046-A006048, A194458, A194459, A382720-A382731.

Programs

Python

def A382729(n): return 1+sum(bin(m)[2:].count('10')+2<Chai Wah Wu, Aug 10 2025