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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.

A227792 Expansion of (1 + 6*x + 17*x^2 - x^3 - 3*x^4)/(1 - 6*x^2 + x^4).

Table of values

n a(n)
0 1
1 6
2 23
3 35
4 134
5 204
6 781
7 1189
8 4552
9 6930
10 26531
11 40391
12 154634
13 235416
14 901273
15 1372105
16 5253004
17 7997214
18 30616751
19 46611179
20 178447502
21 271669860
22 1040068261
23 1583407981
24 6061962064
25 9228778026
26 35331704123
27 53789260175
28 205928262674

List of values

[1, 6, 23, 35, 134, 204, 781, 1189, 4552, 6930, 26531, 40391, 154634, 235416, 901273, 1372105, 5253004, 7997214, 30616751, 46611179, 178447502, 271669860, 1040068261, 1583407981, 6061962064, 9228778026, 35331704123, 53789260175, 205928262674]

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

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