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.

A147883 Number of consistent sets of 9 irreflexive binary order relationships over n objects.

Table of values

n a(n)
5 960
6 838130
7 71331470
8 2134043800
9 33969932808
10 353530511420
11 2710992616420
12 16512265636680
13 83974746129560
14 369225271340926
15 1439572248244130
16 5072665106738320
17 16393720098232880
18 49158099955813080
19 138052747638032104
20 365886966555545840
21 920991546926843280

List of values

[960, 838130, 71331470, 2134043800, 33969932808, 353530511420, 2710992616420, 16512265636680, 83974746129560, 369225271340926, 1439572248244130, 5072665106738320, 16393720098232880, 49158099955813080, 138052747638032104, 365886966555545840, 920991546926843280]

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

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