A373853 Row sums of A373557.

2, 3, 4, 7, 5, 8, 9, 6, 9, 10, 11, 15, 7, 10, 11, 12, 16, 13, 17, 18, 8, 11, 12, 13, 17, 14, 18, 19, 15, 19, 20, 21, 26, 9, 12, 13, 14, 18, 15, 19, 20, 16, 20, 21, 22, 27, 17, 21, 22, 23, 28, 24, 29, 30, 10, 13, 14, 15, 19, 16, 20, 21, 17, 21, 22, 23, 28, 18, 22

Offset: 1

Author

Paolo Xausa, Jun 19 2024

Keywords

• nonn
• easy
• base

Links

• Paolo Xausa, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A007895, A373346, A373557, A373854.

Programs

Mathematica

Join[{2}, Map[Total[PositionIndex[Reverse[IntegerDigits[#, 2]]][1]] &, Select[Range[4, 1000, 4], DigitCount[#, 2, 1] < IntegerExponent[#, 2] + 1 &]]]

Formula

Conjecture: a(n) = A373346(n) + A007895(n).