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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.

A004191 Expansion of 1/(1 - 12*x + x^2).

Table of values

n a(n)
0 1
1 12
2 143
3 1704
4 20305
5 241956
6 2883167
7 34356048
8 409389409
9 4878316860
10 58130412911
11 692686638072
12 8254109243953
13 98356624289364
14 1172025382228415
15 13965947962451616
16 166419350167190977
17 1983066254043840108
18 23630375698358890319
19 281581442126262843720

List of values

[1, 12, 143, 1704, 20305, 241956, 2883167, 34356048, 409389409, 4878316860, 58130412911, 692686638072, 8254109243953, 98356624289364, 1172025382228415, 13965947962451616, 166419350167190977, 1983066254043840108, 23630375698358890319, 281581442126262843720]

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

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