A308266 - cp's OEIS frontend

A308266 Sum of the middle parts in the partitions of n into 3 parts.

n	a(n)
1	0
2	0
3	1
4	1
5	3
6	5
7	8
8	11
9	18
10	22
11	31
12	40
13	51
14	62
15	80
16	93
17	114
18	135
19	159
20	183
21	217
22	244
23	282
24	320
25	362
26	404
27	459
28	505
29	565
30	625
31	690
32	755
33	836
34	906
35	993
36	1080
37	1173
38	1266
39	1378
40	1477
41	1596
42	1715
43	1841
44	1967
45	2115
46	2248
47	2404
48	2560
49	2724
50	2888
51	3077
52	3249
53	3447

[0, 0, 1, 1, 3, 5, 8, 11, 18, 22, 31, 40, 51, 62, 80, 93, 114, 135, 159, 183, 217, 244, 282, 320, 362, 404, 459, 505, 565, 625, 690, 755, 836, 906, 993, 1080, 1173, 1266, 1378, 1477, 1596, 1715, 1841, 1967, 2115, 2248, 2404, 2560, 2724, 2888, 3077, 3249, 3447]

cp's OEIS Frontend

A308266 Sum of the middle parts in the partitions of n into 3 parts.

Table of values

List of values