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.

A381533 Number of labeled histories for rooted 5-furcating trees with 4n+1 leaves if simultaneous 5-furcations are allowed.

Table of values

n a(n)
0 1
1 1
2 126
3 198198
4 1552358808
5 41269930621920
6 2917021792126858416
7 466738566750935966462976
8 150642168106131265276308435840
9 89930728809765858827345682838905216
10 92814015425659158860323886440105229380608
11 156870775305420194841270876582071899442900414976
12 415352074564676036635314305973768435826840253066044416

List of values

[1, 1, 126, 198198, 1552358808, 41269930621920, 2917021792126858416, 466738566750935966462976, 150642168106131265276308435840, 89930728809765858827345682838905216, 92814015425659158860323886440105229380608, 156870775305420194841270876582071899442900414976, 415352074564676036635314305973768435826840253066044416]

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

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