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.

A188389 Number of (5*n) X 5 binary arrays with rows in nonincreasing order and n ones in every column.

Table of values

n a(n)
1 52
2 1750
3 35775
4 507549
5 5442547
6 46757209
7 335279744
8 2067951459
9 11224133015
10 54571222450
11 241058398756
12 978630346891
13 3686088206746
14 12983700750813
15 43054563334197
16 135177521790982
17 403818954811225
18 1152699706324158

List of values

[52, 1750, 35775, 507549, 5442547, 46757209, 335279744, 2067951459, 11224133015, 54571222450, 241058398756, 978630346891, 3686088206746, 12983700750813, 43054563334197, 135177521790982, 403818954811225, 1152699706324158]

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

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