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.

A278544 Arithmetic derivative of the prime-factorization representation of the n-th Stern polynomial: a(n) = A003415(A260443(n)).

Original entry on oeis.org

0, 1, 1, 5, 1, 21, 8, 31, 1, 123, 55, 459, 12, 705, 71, 247, 1, 951, 460, 14175, 119, 49275, 2825, 19305, 18, 30075, 3745, 105975, 167, 40845, 886, 2927, 1, 11091, 5585, 789075, 1554, 10546875, 175175, 4276125, 275, 14482125, 1004500, 186553125, 13573, 77371875, 264775, 1656585, 24, 2599275, 354515, 169509375, 19789, 566409375, 2055550, 48691125, 311
Offset: 0

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Author

Antti Karttunen, Dec 11 2016

Keywords

Crossrefs

Formula

a(n) = A003415(A260443(n)).