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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.

A333066 Number of entries in the ninth blocks of all set partitions of [n] when blocks are ordered by decreasing lengths.

Table of values

n a(n)
9 1
10 46
11 1211
12 24047
13 401337
14 5957407
15 81381744
16 1046405027
17 12866407790
18 153103993523
19 1780561219354
20 20417258320972
21 232758457316938
22 2658399095977056
23 30621521649045981
24 357523836553565584
25 4243836001737759231
26 51265500225372571466
27 629904897694885693327

List of values

[1, 46, 1211, 24047, 401337, 5957407, 81381744, 1046405027, 12866407790, 153103993523, 1780561219354, 20417258320972, 232758457316938, 2658399095977056, 30621521649045981, 357523836553565584, 4243836001737759231, 51265500225372571466, 629904897694885693327]

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

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