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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.

A359716 Central terms of triangle A236961: a(n) = A236961(2*n,n) for n >= 0.

Table of values

n a(n)
0 1
1 2
2 21
3 412
4 12045
5 471666
6 23248400
7 1384919040
8 96891179337
9 7793576690170
10 709024597553360
11 72011978446738452
12 8079309076956842530
13 992583434486548102576
14 132551565601036631863350
15 19120614257204406476219136
16 2963248125855567894279025917
17 491063205808744535843792510886

List of values

[1, 2, 21, 412, 12045, 471666, 23248400, 1384919040, 96891179337, 7793576690170, 709024597553360, 72011978446738452, 8079309076956842530, 992583434486548102576, 132551565601036631863350, 19120614257204406476219136, 2963248125855567894279025917, 491063205808744535843792510886]

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

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