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.

A381523 Number of labeled histories for rooted 4-furcating trees with 3n+1 leaves if simultaneous 4-furcations are allowed.

Table of values

n a(n)
0 1
1 1
2 35
3 8925
4 8033025
5 19010866875
6 97622651251125
7 958647115051250625
8 16437666902498106890625
9 459581350409578975249546875
10 19861812620603175030206132109375
11 1271123241419341933758758697996796875
12 116303414318027015186301064741488195703125
13 14773177703549629967524262172307456486365234375

List of values

[1, 1, 35, 8925, 8033025, 19010866875, 97622651251125, 958647115051250625, 16437666902498106890625, 459581350409578975249546875, 19861812620603175030206132109375, 1271123241419341933758758697996796875, 116303414318027015186301064741488195703125, 14773177703549629967524262172307456486365234375]

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

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