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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.

A277509 Expansion of e.g.f. 1/((1+LambertW(-x))*(1+x)).

Table of values

n a(n)
0 1
1 0
2 4
3 15
4 196
5 2145
6 33786
7 587041
8 12080888
9 278692497
10 7213075030
11 205967845281
12 6444486304884
13 219096784628761
14 8044651840755362
15 317224112769528945
16 13371158269397088496
17 599930571306586259745
18 28547657791777984900014
19 1436014157616531876023713

List of values

[1, 0, 4, 15, 196, 2145, 33786, 587041, 12080888, 278692497, 7213075030, 205967845281, 6444486304884, 219096784628761, 8044651840755362, 317224112769528945, 13371158269397088496, 599930571306586259745, 28547657791777984900014, 1436014157616531876023713]

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

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