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.

A321587 Number of (0,1)-matrices with n ones, no zero rows or columns, and distinct rows.

Table of values

n a(n)
0 1
1 1
2 3
3 17
4 129
5 1227
6 14123
7 190265
8 2934359
9 50975647
10 984801759
11 20941104299
12 486007744671
13 12223797601887
14 331190083773701
15 9616356919931711
16 297887922137531747
17 9805965265937326129
18 341827167387114704421
19 12579123760272833723975
20 487315396984696657840761

List of values

[1, 1, 3, 17, 129, 1227, 14123, 190265, 2934359, 50975647, 984801759, 20941104299, 486007744671, 12223797601887, 331190083773701, 9616356919931711, 297887922137531747, 9805965265937326129, 341827167387114704421, 12579123760272833723975, 487315396984696657840761]

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

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