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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.

A381262 Expansion of e.g.f. exp( -LambertW(-2 * sinh(x)) / 2 ).

Table of values

n a(n)
0 1
1 1
2 5
3 50
4 749
5 15132
6 385953
7 11907520
8 431376345
9 17954558928
10 844397935517
11 44287052219104
12 2563077440429701
13 162259043437047104
14 11154216390820950585
15 827464985582299977728
16 65889383717510410496689
17 5605511011776107945980160
18 507429545895353798767136181

List of values

[1, 1, 5, 50, 749, 15132, 385953, 11907520, 431376345, 17954558928, 844397935517, 44287052219104, 2563077440429701, 162259043437047104, 11154216390820950585, 827464985582299977728, 65889383717510410496689, 5605511011776107945980160, 507429545895353798767136181]

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

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