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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.

A039765 Number of edges in the Hasse diagrams for the D-analogs of the partition lattices.

Table of values

n a(n)
0 0
1 0
2 4
3 31
4 240
5 1931
6 16396
7 147589
8 1408224
9 14214559
10 151394940
11 1696783221
12 19958826080
13 245788962199
14 3161635135340
15 42390110260685
16 591257152058944
17 8563898444592927
18 128598641049231996

List of values

[0, 0, 4, 31, 240, 1931, 16396, 147589, 1408224, 14214559, 151394940, 1696783221, 19958826080, 245788962199, 3161635135340, 42390110260685, 591257152058944, 8563898444592927, 128598641049231996]

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

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