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.

A122571 a(n) = 14*a(n-1) - a(n-2), with a(1) = a(2) = 1.

Table of values

n a(n)
1 1
2 1
3 13
4 181
5 2521
6 35113
7 489061
8 6811741
9 94875313
10 1321442641
11 18405321661
12 256353060613
13 3570537526921
14 49731172316281
15 692665874901013
16 9647591076297901
17 134373609193269601
18 1871582937629476513
19 26067787517619401581
20 363077442309042145621
21 5057016404808970637113

List of values

[1, 1, 13, 181, 2521, 35113, 489061, 6811741, 94875313, 1321442641, 18405321661, 256353060613, 3570537526921, 49731172316281, 692665874901013, 9647591076297901, 134373609193269601, 1871582937629476513, 26067787517619401581, 363077442309042145621, 5057016404808970637113]

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

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