A064480 - cp's OEIS frontend

A064480 Form a conjugate partition of row with 1+1+1 in first row. all other rows are the union of their parents. a(n) = number of types of piles in the n-th row.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	10
7	13
8	19
9	26
10	36
11	51
12	69
13	94
14	130
15	188
16	261
17	366
18	514
19	710
20	993
21	1399
22	1995
23	2779
24	3912
25	5490
26	7723
27	10848
28	15230
29	21457
30	30165
31	42401
32	59718
33	83808
34	117844
35	165932
36	233358
37	328316
38	461885
39	650105
40	915243
41	1287795
42	1812815
43	2552260
44	3593697

[1, 2, 3, 5, 7, 10, 13, 19, 26, 36, 51, 69, 94, 130, 188, 261, 366, 514, 710, 993, 1399, 1995, 2779, 3912, 5490, 7723, 10848, 15230, 21457, 30165, 42401, 59718, 83808, 117844, 165932, 233358, 328316, 461885, 650105, 915243, 1287795, 1812815, 2552260, 3593697]

cp's OEIS Frontend

A064480 Form a conjugate partition of row with 1+1+1 in first row. all other rows are the union of their parents. a(n) = number of types of piles in the n-th row.

Table of values

List of values