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.

A358598 Number of genetic relatives of a person M in a genealogical tree extending back n generations and where everyone has 4 children down to the generation of M.

Table of values

n a(n)
0 1
1 6
2 40
3 300
4 2356
5 18756
6 149860
7 1198500
8 9587236
9 76696356
10 613567780
11 4908536100
12 39268276516
13 314146187556
14 2513169451300
15 20105355512100
16 160842843900196
17 1286742750808356
18 10293942005680420
19 82351536043870500
20 658812288347818276
21 5270498306776254756

List of values

[1, 6, 40, 300, 2356, 18756, 149860, 1198500, 9587236, 76696356, 613567780, 4908536100, 39268276516, 314146187556, 2513169451300, 20105355512100, 160842843900196, 1286742750808356, 10293942005680420, 82351536043870500, 658812288347818276, 5270498306776254756]