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.

A262851 Number of (2+2)X(n+2) 0..1 arrays with each row divisible by 7 and column not divisible by 7, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 13
2 34
3 196
4 3181
5 31050
6 352880
7 4679725
8 58693450
9 749598500
10 9769811821
11 126477115922
12 1640601801744
13 21334300812253
14 277222463778754
15 3602979823609668
16 46840315814579821
17 608897998235183514

List of values

[13, 34, 196, 3181, 31050, 352880, 4679725, 58693450, 749598500, 9769811821, 126477115922, 1640601801744, 21334300812253, 277222463778754, 3602979823609668, 46840315814579821, 608897998235183514]

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

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