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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.

A371546 Expansion of e.g.f. Product_{k>=1} 1 / (1 - 2*x^k/k!).

Table of values

n a(n)
0 1
1 2
2 10
3 62
4 522
5 5262
6 64006
7 897990
8 14416618
9 259650638
10 5197438710
11 114360488310
12 2745242514966
13 71378953200310
14 1998718342001062
15 59962112293963182
16 1918813454880552298
17 65239810516299767310
18 2348641102002493520086
19 89248414267689180772278
20 3569939582019832830181222

List of values

[1, 2, 10, 62, 522, 5262, 64006, 897990, 14416618, 259650638, 5197438710, 114360488310, 2745242514966, 71378953200310, 1998718342001062, 59962112293963182, 1918813454880552298, 65239810516299767310, 2348641102002493520086, 89248414267689180772278, 3569939582019832830181222]

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

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