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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.

A385842 a(n) = 1 + Sum_{k=0..n-1} k^4 * a(k) * a(n-1-k).

Table of values

n a(n)
0 1
1 1
2 2
3 34
4 2789
5 716837
6 448746495
7 582025808335
8 1398026940957747
9 5727717572863611987
10 37585285548218779674700
11 375890452313654055440508988
12 5503788078310849677217561978523
13 114132054134076966886682122559148347
14 3259839741208602005078393364829175139526

List of values

[1, 1, 2, 34, 2789, 716837, 448746495, 582025808335, 1398026940957747, 5727717572863611987, 37585285548218779674700, 375890452313654055440508988, 5503788078310849677217561978523, 114132054134076966886682122559148347, 3259839741208602005078393364829175139526]

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

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