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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A004058 Expansion of (1-x)/( (1+x)*(1-2*x)*(1-3*x)*(1-4*x)*(1-5*x)).

Original entry on oeis.org

1, 12, 99, 686, 4305, 25368, 143263, 785202, 4211229, 22226204, 115899147, 598832598, 3072304873, 15676477920, 79649367351, 403336249274, 2037103422837, 10267399442916, 51665107485475
Offset: 0

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First differences of A099111.

Programs

  • Magma
    [(1/180) *(2500*5^n - 3456*4^n + 1215*3^n - 80*2^n + (-1)^n): n in [0..30]]; // Vincenzo Librandi, Oct 08 2011

Formula

a(n) = (1/180)*(2500*5^n - 3456*4^n + 1215*3^n - 80*2^n + (-1)^n).
Showing 1-1 of 1 results.