A265248 - cp's OEIS frontend

A265248 Sum of the 2nd smallest parts of all the partitions of n (2nd smallest part is defined to be 0 when the partition does not have at least 2 distinct parts).

n	a(n)
1	0
2	0
3	2
4	5
5	14
6	22
7	43
8	63
9	97
10	140
11	201
12	266
13	371
14	492
15	638
16	837
17	1079
18	1377
19	1748
20	2207
21	2756
22	3471
23	4287
24	5317
25	6537
26	8081
27	9840
28	12069
29	14643
30	17837
31	21543
32	26113
33	31385
34	37877
35	45318
36	54433
37	64944
38	77682
39	92341
40	109995
41	130373
42	154769
43	182866
44	216350
45	254905
46	300648
47	353259
48	415392
49	486843
50	570867

[0, 0, 2, 5, 14, 22, 43, 63, 97, 140, 201, 266, 371, 492, 638, 837, 1079, 1377, 1748, 2207, 2756, 3471, 4287, 5317, 6537, 8081, 9840, 12069, 14643, 17837, 21543, 26113, 31385, 37877, 45318, 54433, 64944, 77682, 92341, 109995, 130373, 154769, 182866, 216350, 254905, 300648, 353259, 415392, 486843, 570867]

cp's OEIS Frontend

A265248 Sum of the 2nd smallest parts of all the partitions of n (2nd smallest part is defined to be 0 when the partition does not have at least 2 distinct parts).

Table of values

List of values