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.

A212337 Expansion of 1/(1-4*x+3*x^2)^2.

Table of values

n a(n)
0 1
1 8
2 42
3 184
4 731
5 2736
6 9844
7 34448
8 118101
9 398584
10 1328606
11 4384392
12 14348911
13 46633952
14 150663528
15 484275616
16 1549681961
17 4939611240
18 15690529810
19 49686677720
20 156905298051
21 494251688848
22 1553362450652
23 4871909504304
24 15251194969981
25 47659984281176

List of values

[1, 8, 42, 184, 731, 2736, 9844, 34448, 118101, 398584, 1328606, 4384392, 14348911, 46633952, 150663528, 484275616, 1549681961, 4939611240, 15690529810, 49686677720, 156905298051, 494251688848, 1553362450652, 4871909504304, 15251194969981, 47659984281176]

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

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