A188333 - cp's OEIS frontend

A188333 T(n,k)=Number of nondecreasing arrangements of n nonzero numbers in -(n+k-2)..(n+k-2) with sum zero.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	2
7	0
8	3
9	4
10	10
11	0
12	4
13	8
14	20
15	40
16	0
17	5
18	12
19	37
20	86
21	197
22	0
23	6
24	18
25	61
26	166
27	424
28	980
29	0
30	7
31	24
32	94
33	288
34	828
35	2128
36	5142
37	0
38	8
39	32
40	136
41	472
42	1488
43	4238
44	11200
45	27632
46	0
47	9
48	40
49	191
50	726
51	2519
52	7836
53	22563
54	60372
55	152191
56	0
57	10
58	50
59	257
60	1076
61	4050
62	13694
63	42593

[0, 0, 1, 0, 2, 2, 0, 3, 4, 10, 0, 4, 8, 20, 40, 0, 5, 12, 37, 86, 197, 0, 6, 18, 61, 166, 424, 980, 0, 7, 24, 94, 288, 828, 2128, 5142, 0, 8, 32, 136, 472, 1488, 4238, 11200, 27632, 0, 9, 40, 191, 726, 2519, 7836, 22563, 60372, 152191, 0, 10, 50, 257, 1076, 4050, 13694, 42593]

cp's OEIS Frontend

A188333 T(n,k)=Number of nondecreasing arrangements of n nonzero numbers in -(n+k-2)..(n+k-2) with sum zero.

Table of values

List of values