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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.

A267219 Expansion of exp( Sum_{n >= 1} A002895(n)*x^n/n ).

Table of values

n a(n)
0 1
1 4
2 22
3 152
4 1241
5 11444
6 115390
7 1243672
8 14104480
9 166460800
10 2028202288
11 25363355200
12 324098616925
13 4217387014948
14 55737166570870
15 746544123583928
16 10116388473816503
17 138496854665195996
18 1913322982776458234
19 26646647187379206440
20 373800949052597088329

List of values

[1, 4, 22, 152, 1241, 11444, 115390, 1243672, 14104480, 166460800, 2028202288, 25363355200, 324098616925, 4217387014948, 55737166570870, 746544123583928, 10116388473816503, 138496854665195996, 1913322982776458234, 26646647187379206440, 373800949052597088329]

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

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