A203291 - cp's OEIS frontend

A203291 T(n,k)=Number of arrays of 2n nondecreasing integers in -k..k with sum zero and equal numbers greater than zero and less than zero.

n	a(n)
1	2
2	3
3	3
4	4
5	6
6	4
7	5
8	12
9	10
10	5
11	6
12	21
13	28
14	15
15	6
16	7
17	35
18	69
19	57
20	21
21	7
22	8
23	54
24	154
25	188
26	104
27	28
28	8
29	9
30	80
31	310
32	544
33	444
34	176
35	36
36	9
37	10
38	113
39	580
40	1380
41	1614
42	944
43	280
44	45
45	10
46	11
47	155
48	1013
49	3172
50	5036
51	4206
52	1844
53	425
54	55
55	11
56	12
57	206
58	1680
59	6687
60	13934
61	15798
62	9880

[2, 3, 3, 4, 6, 4, 5, 12, 10, 5, 6, 21, 28, 15, 6, 7, 35, 69, 57, 21, 7, 8, 54, 154, 188, 104, 28, 8, 9, 80, 310, 544, 444, 176, 36, 9, 10, 113, 580, 1380, 1614, 944, 280, 45, 10, 11, 155, 1013, 3172, 5036, 4206, 1844, 425, 55, 11, 12, 206, 1680, 6687, 13934, 15798, 9880]

cp's OEIS Frontend

A203291 T(n,k)=Number of arrays of 2n nondecreasing integers in -k..k with sum zero and equal numbers greater than zero and less than zero.

Table of values

List of values