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.

A331652 Number of binary matrices with n columns and any number of distinct nonzero rows with 4 ones in every column and columns in nonincreasing lexicographic order.

Table of values

n a(n)
0 1
1 0
2 0
3 840
4 771305
5 1496866413
6 5261551562405
7 29862266595102105
8 256001890048602731140
9 3158251998655622915889925
10 53980217006281640348184149417
11 1239061499733946652592749224572554
12 37220984154655168600230783138660824904
13 1431711029036285286788945015739877116840914

List of values

[1, 0, 0, 840, 771305, 1496866413, 5261551562405, 29862266595102105, 256001890048602731140, 3158251998655622915889925, 53980217006281640348184149417, 1239061499733946652592749224572554, 37220984154655168600230783138660824904, 1431711029036285286788945015739877116840914]

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

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