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.

A164827 Generalized Lucas numbers: a(n) = a(n-1) + 10*a(n-2); with a(1)=2 a(2)=1.

Table of values

n a(n)
1 2
2 1
3 21
4 31
5 241
6 551
7 2961
8 8471
9 38081
10 122791
11 503601
12 1731511
13 6767521
14 24082631
15 91757841
16 332584151
17 1250162561
18 4576004071
19 17077629681
20 62837670391
21 233613967201
22 861990671111
23 3198130343121
24 11818037054231

List of values

[2, 1, 21, 31, 241, 551, 2961, 8471, 38081, 122791, 503601, 1731511, 6767521, 24082631, 91757841, 332584151, 1250162561, 4576004071, 17077629681, 62837670391, 233613967201, 861990671111, 3198130343121, 11818037054231]

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

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