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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.

A193620 G.f. satisfies: A(x) = 1 + Sum_{n>=1} x^n * A(x)^A026250(n).

Table of values

n a(n)
0 1
1 1
2 4
3 22
4 132
5 875
6 6127
7 44580
8 333748
9 2553956
10 19887080
11 157066758
12 1255181598
13 10130663492
14 82461801961
15 676165571433
16 5580011570160
17 46309238031602
18 386256008451734
19 3236134144224075
20 27222318068596831
21 229828039356161276
22 1946773238298955438

List of values

[1, 1, 4, 22, 132, 875, 6127, 44580, 333748, 2553956, 19887080, 157066758, 1255181598, 10130663492, 82461801961, 676165571433, 5580011570160, 46309238031602, 386256008451734, 3236134144224075, 27222318068596831, 229828039356161276, 1946773238298955438]

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

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