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.

A208552 Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 16
2 256
3 1008
4 3969
5 10080
6 25600
7 52000
8 105625
9 187200
10 331776
11 536256
12 866761
13 1310848
14 1982464
15 2851200
16 4100625
17 5670000
18 7840000
19 10502800
20 14070001
21 18364896
22 23970816
23 30614688
24 39100009
25 49023520
26 61465600
27 75852000
28 93605625

List of values

[16, 256, 1008, 3969, 10080, 25600, 52000, 105625, 187200, 331776, 536256, 866761, 1310848, 1982464, 2851200, 4100625, 5670000, 7840000, 10502800, 14070001, 18364896, 23970816, 30614688, 39100009, 49023520, 61465600, 75852000, 93605625]

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

Content is available under The OEIS End-User License Agreement.