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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.

A380044 E.g.f. A(x) satisfies A(x) = 1/sqrt( 1 - 2*x*exp(x)*A(x) ).

Table of values

n a(n)
0 1
1 1
2 7
3 81
4 1393
5 32025
6 924831
7 32208337
8 1314511297
9 61553580849
10 3253663709335
11 191661481308561
12 12451241630689137
13 884434637282286025
14 68195094329460133231
15 5672843158404577658385
16 506413381554227338302721
17 48290505275596520116029537
18 4899034372132659112326787239

List of values

[1, 1, 7, 81, 1393, 32025, 924831, 32208337, 1314511297, 61553580849, 3253663709335, 191661481308561, 12451241630689137, 884434637282286025, 68195094329460133231, 5672843158404577658385, 506413381554227338302721, 48290505275596520116029537, 4899034372132659112326787239]

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

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