cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-1 of 1 results.

A343857 Partial sums of A343856.

Original entry on oeis.org

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

Views

Author

Rémy Sigrist, May 01 2021

Keywords

Comments

The scatterplot of the sequence is similar at different scales.

Examples

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

Crossrefs

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.
Showing 1-1 of 1 results.