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.

A014904 a(1)=1, a(n) = 20*a(n-1) + n.

Table of values

n a(n)
1 1
2 22
3 443
4 8864
5 177285
6 3545706
7 70914127
8 1418282548
9 28365650969
10 567313019390
11 11346260387811
12 226925207756232
13 4538504155124653
14 90770083102493074
15 1815401662049861495
16 36308033240997229916
17 726160664819944598337
18 14523213296398891966758
19 290464265927977839335179

List of values

[1, 22, 443, 8864, 177285, 3545706, 70914127, 1418282548, 28365650969, 567313019390, 11346260387811, 226925207756232, 4538504155124653, 90770083102493074, 1815401662049861495, 36308033240997229916, 726160664819944598337, 14523213296398891966758, 290464265927977839335179]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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