cp's OEIS Frontend

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.

A381536 Number of labeled histories for rooted 4-furcating trees with 3n+1 leaves if simultaneous 4-furcations are not allowed.

Table of values

n a(n)
0 1
1 1
2 35
3 7350
4 5255250
5 9564555000
6 37072215180000
7 271183254041700000
8 3430468163627505000000
9 70238835650273164875000000
10 2210064963735845132791875000000
11 102493972758213553878355995000000000
12 6769214430816214165896021689775000000000
13 618638506832293812621237422228537250000000000

List of values

[1, 1, 35, 7350, 5255250, 9564555000, 37072215180000, 271183254041700000, 3430468163627505000000, 70238835650273164875000000, 2210064963735845132791875000000, 102493972758213553878355995000000000, 6769214430816214165896021689775000000000, 618638506832293812621237422228537250000000000]

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

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