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.

A262468 Number of (n+1)X(4+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.

Table of values

n a(n)
1 1
2 11
3 121
4 457
5 2413
6 22907
7 239281
8 2028469
9 19072681
10 195594107
11 2033050681
12 20694058921
13 213513561709
14 2238052993835
15 23529091943281
16 247329143808181
17 2608684587258313
18 27709182321786251
19 294872156127246841

List of values

[1, 11, 121, 457, 2413, 22907, 239281, 2028469, 19072681, 195594107, 2033050681, 20694058921, 213513561709, 2238052993835, 23529091943281, 247329143808181, 2608684587258313, 27709182321786251, 294872156127246841]

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

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