A255180 - cp's OEIS frontend

A255180 Number of partitions of n in which two summands (of each size) are designated.

n	a(n)
0	1
1	0
2	1
3	3
4	7
5	10
6	20
7	24
8	45
9	61
10	103
11	140
12	246
13	325
14	517
15	728
16	1086
17	1472
18	2184
19	2918
20	4197
21	5638
22	7875
23	10497
24	14625
25	19272
26	26354
27	34804
28	46992
29	61490
30	82471
31	107163
32	142128
33	184141
34	241701
35	311282
36	406164
37	519755
38	672726
39	858110
40	1102872

[1, 0, 1, 3, 7, 10, 20, 24, 45, 61, 103, 140, 246, 325, 517, 728, 1086, 1472, 2184, 2918, 4197, 5638, 7875, 10497, 14625, 19272, 26354, 34804, 46992, 61490, 82471, 107163, 142128, 184141, 241701, 311282, 406164, 519755, 672726, 858110, 1102872]

cp's OEIS Frontend

A255180 Number of partitions of n in which two summands (of each size) are designated.

Table of values

List of values