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.

A014901 a(1)=1, a(n) = 18*a(n-1) + n.

Table of values

n a(n)
1 1
2 20
3 363
4 6538
5 117689
6 2118408
7 38131351
8 686364326
9 12354557877
10 222382041796
11 4002876752339
12 72051781542114
13 1296932067758065
14 23344777219645184
15 420205989953613327
16 7563707819165039902
17 136146740744970718253
18 2450641333409472928572
19 44111544001370512714315

List of values

[1, 20, 363, 6538, 117689, 2118408, 38131351, 686364326, 12354557877, 222382041796, 4002876752339, 72051781542114, 1296932067758065, 23344777219645184, 420205989953613327, 7563707819165039902, 136146740744970718253, 2450641333409472928572, 44111544001370512714315]

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

Content is available under The OEIS End-User License Agreement.