A277579 - cp's OEIS frontend

A277579 Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts.

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	2
6	3
7	3
8	4
9	6
10	7
11	9
12	13
13	15
14	19
15	25
16	31
17	38
18	48
19	59
20	74
21	90
22	111
23	136
24	166
25	201
26	246
27	297
28	357
29	431
30	522
31	621
32	745
33	892
34	1063
35	1263
36	1503
37	1780
38	2109
39	2491
40	2941
41	3463
42	4077
43	4783
44	5616
45	6576
46	7689
47	8981
48	10486
49	12207
50	14209
51	16516
52	19178
53	22231

[1, 0, 1, 1, 1, 2, 3, 3, 4, 6, 7, 9, 13, 15, 19, 25, 31, 38, 48, 59, 74, 90, 111, 136, 166, 201, 246, 297, 357, 431, 522, 621, 745, 892, 1063, 1263, 1503, 1780, 2109, 2491, 2941, 3463, 4077, 4783, 5616, 6576, 7689, 8981, 10486, 12207, 14209, 16516, 19178, 22231]

cp's OEIS Frontend

A277579 Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts.

Table of values

List of values