A320549 - cp's OEIS frontend

A320549 Number of partitions of n into parts of exactly seven sorts which are introduced in ascending order such that sorts of adjacent parts are different.

n	a(n)
7	1
8	22
9	289
10	2957
11	26073
12	208516
13	1558219
14	11087757
15	76079369
16	507834036
17	3318628468
18	21330628088
19	135325211035
20	849659803048
21	5290544985029
22	32722489543068
23	201296535411532
24	1232850239281547
25	7523511821702402
26	45777353201698899
27	277862479922939524

[1, 22, 289, 2957, 26073, 208516, 1558219, 11087757, 76079369, 507834036, 3318628468, 21330628088, 135325211035, 849659803048, 5290544985029, 32722489543068, 201296535411532, 1232850239281547, 7523511821702402, 45777353201698899, 277862479922939524]

cp's OEIS Frontend

A320549 Number of partitions of n into parts of exactly seven sorts which are introduced in ascending order such that sorts of adjacent parts are different.

Table of values

List of values