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.

A319003 Number of ordered multiset partitions of integer partitions of n where the sequence of LCMs of the blocks is weakly increasing.

Table of values

n a(n)
0 1
1 1
2 3
3 7
4 17
5 38
6 87
7 191
8 420
9 908
10 1954
11 4160
12 8816
13 18549
14 38851
15 80965
16 168077
17 347566
18 716443
19 1472344
20 3017866
21 6170789
22 12590805
23 25640050
24 52122784
25 105791068
26 214413852
27 434007488
28 877480395
29 1772235212
30 3575967030
31 7209301989
32 14523006820

List of values

[1, 1, 3, 7, 17, 38, 87, 191, 420, 908, 1954, 4160, 8816, 18549, 38851, 80965, 168077, 347566, 716443, 1472344, 3017866, 6170789, 12590805, 25640050, 52122784, 105791068, 214413852, 434007488, 877480395, 1772235212, 3575967030, 7209301989, 14523006820]

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

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