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.

A225979 Number of nX5 binary arrays whose sum with another nX5 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 26
2 350
3 4722
4 61808
5 737893
6 7718077
7 69784592
8 546720823
9 3748375290
10 22776885553
11 124247348589
12 615678539423
13 2800456394451
14 11798875157732
15 46405595059222
16 171524109659874
17 599254527583339
18 1988834906193438

List of values

[26, 350, 4722, 61808, 737893, 7718077, 69784592, 546720823, 3748375290, 22776885553, 124247348589, 615678539423, 2800456394451, 11798875157732, 46405595059222, 171524109659874, 599254527583339, 1988834906193438]

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

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