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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.

A159337 Transform of the finite sequence (1, 0, -1, 0, 1) by the T_{1,0} transformation (see link).

Table of values

n a(n)
0 1
1 2
2 4
3 11
4 27
5 61
6 141
7 328
8 763
9 1774
10 4124
11 9587
12 22287
13 51811
14 120446
15 280003
16 650928
17 1513224
18 3517819
19 8177937
20 19011397
21 44196136
22 102743551
23 238849778
24 555258368
25 1290819099
26 3000790339
27 6975991187
28 16217211982
29 37700443911

List of values

[1, 2, 4, 11, 27, 61, 141, 328, 763, 1774, 4124, 9587, 22287, 51811, 120446, 280003, 650928, 1513224, 3517819, 8177937, 19011397, 44196136, 102743551, 238849778, 555258368, 1290819099, 3000790339, 6975991187, 16217211982, 37700443911]

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

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