A343857 Partial sums of A343856.

0, 1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 21, 23, 27, 29, 31, 32, 33, 35, 37, 39, 43, 45, 47, 55, 57, 59, 63, 64, 65, 67, 69, 71, 75, 77, 79, 87, 89, 91, 95, 103, 111, 115, 117, 119, 127, 128, 129, 131, 133, 135, 139, 141, 143, 151, 153, 155, 159, 167

Offset: 0

Author

Rémy Sigrist, May 01 2021

Keywords

• nonn

Comments

The scatterplot of the sequence is similar at different scales.

Examples

			a(3) = A343856(1) + A343856(2) + A343856(3) = 1 + 1 + 1 = 3.
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 0..10776
• Rémy Sigrist, PARI program for A343857

Crossrefs

Cf. A061419, A343856.

Programs

PARI

See Links section.

Python

# auptorow in A343856
from itertools import accumulate
print([0]+list(accumulate(auptorow(8)))) # Michael S. Branicky, May 04 2021

Formula

Sum_{k = 1..Sum_{m = 1..n} A061419(m)} a(k) = 2^n-1.