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.

A264947 Number of 4 X n arrays containing n copies of 0..4-1 with no equal horizontal neighbors and new values introduced sequentially from 0.

Table of values

n a(n)
1 1
2 60
3 3201
4 184740
5 11375145
6 730983420
7 48402531561
8 3282992503164
9 226854309720993
10 15915758107113276
11 1130694005695927761
12 81177583723495750340
13 5880587303767912833417
14 429300706847441007321756

List of values

[1, 60, 3201, 184740, 11375145, 730983420, 48402531561, 3282992503164, 226854309720993, 15915758107113276, 1130694005695927761, 81177583723495750340, 5880587303767912833417, 429300706847441007321756]