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.

A155084 A Catalan transform of [x^n](1/(1-2x-2x^2)) (A002605).

Table of values

n a(n)
0 1
1 2
2 8
3 32
4 132
5 552
6 2328
7 9872
8 42020
9 179336
10 766888
11 3284272
12 14081224
13 60426576
14 259490736
15 1114965792
16 4792924356
17 20611174920
18 88662405768
19 381494338032
20 1641837542232
21 7067257125744
22 30425523536592

List of values

[1, 2, 8, 32, 132, 552, 2328, 9872, 42020, 179336, 766888, 3284272, 14081224, 60426576, 259490736, 1114965792, 4792924356, 20611174920, 88662405768, 381494338032, 1641837542232, 7067257125744, 30425523536592]

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

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