A274233 - cp's OEIS frontend

A274233 Number of partitions of n*(n-1)/2 into at most three parts.

n	a(n)
1	1
2	1
3	3
4	7
5	14
6	27
7	48
8	80
9	127
10	192
11	280
12	397
13	547
14	736
15	972
16	1261
17	1610
18	2028
19	2523
20	3104
21	3781
22	4563
23	5461
24	6487
25	7651
26	8965
27	10443
28	12097
29	13940
30	15987
31	18252
32	20750
33	23497
34	26508
35	29800
36	33391
37	37297
38	41536
39	46128
40	51091
41	56444
42	62208
43	68403
44	75050

[1, 1, 3, 7, 14, 27, 48, 80, 127, 192, 280, 397, 547, 736, 972, 1261, 1610, 2028, 2523, 3104, 3781, 4563, 5461, 6487, 7651, 8965, 10443, 12097, 13940, 15987, 18252, 20750, 23497, 26508, 29800, 33391, 37297, 41536, 46128, 51091, 56444, 62208, 68403, 75050]

cp's OEIS Frontend

A274233 Number of partitions of n*(n-1)/2 into at most three parts.

Table of values

List of values