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.

A077046 Doubly restricted composition numbers: number of compositions of [n^2/2] into exactly n positive integers each strictly less than n.

Table of values

n a(n)
1 0
2 1
3 3
4 19
5 155
6 1751
7 24017
8 398567
9 7635987
10 167729959
11 4123838279
12 112835748609
13 3386455204288
14 110976634957761
15 3932912125462725
16 150186639579545295
17 6137695417757646851
18 267654541150392845543
19 12391407810082341898091
20 607584722159224093306229

List of values

[0, 1, 3, 19, 155, 1751, 24017, 398567, 7635987, 167729959, 4123838279, 112835748609, 3386455204288, 110976634957761, 3932912125462725, 150186639579545295, 6137695417757646851, 267654541150392845543, 12391407810082341898091, 607584722159224093306229]

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

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