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.

A317762 Number of nX6 0..1 arrays with every element unequal to 0, 1 or 2 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 32
2 89
3 100
4 127
5 177
6 266
7 425
8 709
9 1217
10 2126
11 3753
12 6666
13 11882
14 21223
15 37952
16 67914
17 121578
18 217696
19 389856
20 698220
21 1250549
22 2239862
23 4011891
24 7185904
25 12871122
26 23054360
27 41294363
28 73965487
29 132485357
30 237305006
31 425055936

List of values

[32, 89, 100, 127, 177, 266, 425, 709, 1217, 2126, 3753, 6666, 11882, 21223, 37952, 67914, 121578, 217696, 389856, 698220, 1250549, 2239862, 4011891, 7185904, 12871122, 23054360, 41294363, 73965487, 132485357, 237305006, 425055936]

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

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