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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.

A136472 Column 2 of triangle A136470 (scaled): a(n) = A136470(n+2,2)/4^n.

Table of values

n a(n)
0 1
1 8
2 136
3 6552
4 973832
5 465833856
6 739387804752
7 3992649623654752
8 74888425049167499424
9 4962998789388515787006336
10 1178375010889854741001146703936
11 1013755301703927988518902015091910656

List of values

[1, 8, 136, 6552, 973832, 465833856, 739387804752, 3992649623654752, 74888425049167499424, 4962998789388515787006336, 1178375010889854741001146703936, 1013755301703927988518902015091910656]

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

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