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.

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A374442 Row sums of A374443.

Original entry on oeis.org

1, 2, 5, 8, 8, 14, 21, 20, 14, 18, 37, 32, 36, 38, 53, 60, 26, 50, 51, 56, 64, 86, 85, 68, 66, 50, 101, 48, 92, 86, 165, 92, 50, 138, 133, 152, 96, 110, 149, 164, 118, 122, 237, 128, 148, 150, 181, 140, 126, 98, 145, 216, 176, 158, 141, 244, 170, 242, 229, 176, 300
Offset: 0

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Author

Peter Luschny, Jul 12 2024

Keywords

Crossrefs

Cf. A374443.

Programs

  • Maple
    rad := n -> ifelse(n = 0, 1, NumberTheory:-Radical(n)):
    a := n -> local k; add(rad(igcd(n, k)), k = 0..n):
    seq(a(n), n = 0..60);
Showing 1-1 of 1 results.