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.

A305077 Partial sums of absolute values of A076191.

Original entry on oeis.org

1, 1, 2, 3, 4, 5, 7, 8, 8, 9, 11, 13, 14, 14, 16, 19, 21, 23, 25, 26, 26, 27, 30, 32, 32, 33, 33, 35, 37, 39, 43, 46, 46, 46, 48, 51, 52, 52, 54, 57, 59, 61, 63, 63, 64, 65, 69, 72, 73, 74, 75, 77, 80, 82, 84, 86, 86, 87, 90, 93, 94, 95, 98, 102, 103, 105, 107, 108, 109, 111, 115, 119, 120, 121
Offset: 1

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Author

Robert Israel, May 24 2018

Keywords

Crossrefs

Programs

  • Maple
    L:= map(numtheory:-bigomega, [$1..200]):
    ListTools:-PartialSums(map(abs, L[2..-1]-L[1..-2]));

Formula

a(n) = Sum_{k=1..n} |A001222(n+1) - A001222(n)|.