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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.

A381477 E.g.f. A(x) satisfies A(x) = 1/( 1 - x * A(x)^2 * cosh(x * A(x)^2) ).

Table of values

n a(n)
0 1
1 1
2 6
3 75
4 1440
5 37445
6 1231440
7 49037527
8 2294425728
9 123393443049
10 7500623201280
11 508577491719011
12 38057966976387072
13 3115680296111519149
14 277005128553759191040
15 26579020362900758232495
16 2737628961211699538657280
17 301278578823933606439917137
18 35281158151116225085977526272

List of values

[1, 1, 6, 75, 1440, 37445, 1231440, 49037527, 2294425728, 123393443049, 7500623201280, 508577491719011, 38057966976387072, 3115680296111519149, 277005128553759191040, 26579020362900758232495, 2737628961211699538657280, 301278578823933606439917137, 35281158151116225085977526272]

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

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