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.

A239410 Number of 6Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4.

Table of values

n a(n)
1 156
2 20818
3 2590704
4 326882784
5 40566958960
6 5072216819342
7 630657074443394
8 78666433617260802
9 9791612259389470778
10 1220385596630190836830
11 151973853622892194440357
12 18935435888110044394225594

List of values

[156, 20818, 2590704, 326882784, 40566958960, 5072216819342, 630657074443394, 78666433617260802, 9791612259389470778, 1220385596630190836830, 151973853622892194440357, 18935435888110044394225594]

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

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