A357709 - cp's OEIS frontend

A357709 Number of integer partitions of n whose length is twice their alternating sum.

n	a(n)
0	1
1	0
2	0
3	1
4	0
5	1
6	1
7	1
8	2
9	2
10	4
11	3
12	6
13	6
14	9
15	11
16	13
17	18
18	21
19	28
20	32
21	44
22	49
23	65
24	76
25	96
26	114
27	141
28	170
29	204
30	250
31	295
32	361
33	425
34	516
35	606
36	734
37	858
38	1031
39	1210
40	1440
41	1690
42	2000
43	2347
44	2759
45	3240
46	3786
47	4441
48	5174
49	6053
50	7030
51	8210
52	9509
53	11074
54	12807
55	14870

[1, 0, 0, 1, 0, 1, 1, 1, 2, 2, 4, 3, 6, 6, 9, 11, 13, 18, 21, 28, 32, 44, 49, 65, 76, 96, 114, 141, 170, 204, 250, 295, 361, 425, 516, 606, 734, 858, 1031, 1210, 1440, 1690, 2000, 2347, 2759, 3240, 3786, 4441, 5174, 6053, 7030, 8210, 9509, 11074, 12807, 14870]

cp's OEIS Frontend

A357709 Number of integer partitions of n whose length is twice their alternating sum.

Table of values

List of values