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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.

A380116 a(n) = Sum_{k=0..n} A011971(n, k)*k. The Aitken-Bell triangle considered as a linear transform applied to the nonnegative numbers.

Table of values

n a(n)
0 0
1 2
2 13
3 72
4 393
5 2202
6 12850
7 78488
8 502327
9 3366648
10 23597297
11 172691956
12 1317276400
13 10455135350
14 86200363093
15 737106122656
16 6527505175609
17 59780020466870
18 565446090755746
19 5517274559079820
20 55470610206913511
21 574043981110581992
22 6108574536700411929
23 66779470651426032840

List of values

[0, 2, 13, 72, 393, 2202, 12850, 78488, 502327, 3366648, 23597297, 172691956, 1317276400, 10455135350, 86200363093, 737106122656, 6527505175609, 59780020466870, 565446090755746, 5517274559079820, 55470610206913511, 574043981110581992, 6108574536700411929, 66779470651426032840]

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

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