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.

A239824 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.

Table of values

n a(n)
1 129
2 15266
3 2405330
4 366379173
5 54668820459
6 8243207656791
7 1246285848518417
8 188159790209407764
9 28411744326144591606
10 4291882371849878160532
11 648352047493507989834712
12 97941932841918812449706827

List of values

[129, 15266, 2405330, 366379173, 54668820459, 8243207656791, 1246285848518417, 188159790209407764, 28411744326144591606, 4291882371849878160532, 648352047493507989834712, 97941932841918812449706827]

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

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