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.

A331641 Number of binary matrices with n columns and any number of distinct nonzero rows with 3 ones in every column.

Table of values

n a(n)
0 1
1 0
2 0
3 1104
4 413088
5 329520720
6 491236986720
7 1181472603447024
8 4293813878010363168
9 22458802092186671702160
10 162578056150830848930694240
11 1578225306620809383358117044144
12 20018143307386606584084592083087648
13 324613983359213454501611571669979410000

List of values

[1, 0, 0, 1104, 413088, 329520720, 491236986720, 1181472603447024, 4293813878010363168, 22458802092186671702160, 162578056150830848930694240, 1578225306620809383358117044144, 20018143307386606584084592083087648, 324613983359213454501611571669979410000]

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

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