A188181 - cp's OEIS frontend

A188181 T(n,k) is the number of strictly increasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	3
9	5
10	5
11	1
12	4
13	8
14	12
15	12
16	1
17	5
18	13
19	24
20	32
21	32
22	1
23	6
24	18
25	43
26	73
27	94
28	94
29	1
30	7
31	25
32	69
33	141
34	227
35	289
36	289
37	1
38	8
39	32
40	104
41	252
42	480
43	734
44	910
45	910
46	1
47	9
48	41
49	150
50	414
51	920
52	1656
53	2430
54	2934
55	2934
56	1
57	10
58	50
59	207
60	649
61	1636
62	3370
63	5744
64	8150
65	9686
66	9686
67	1
68	11

[1, 1, 1, 1, 2, 2, 1, 3, 5, 5, 1, 4, 8, 12, 12, 1, 5, 13, 24, 32, 32, 1, 6, 18, 43, 73, 94, 94, 1, 7, 25, 69, 141, 227, 289, 289, 1, 8, 32, 104, 252, 480, 734, 910, 910, 1, 9, 41, 150, 414, 920, 1656, 2430, 2934, 2934, 1, 10, 50, 207, 649, 1636, 3370, 5744, 8150, 9686, 9686, 1, 11]

cp's OEIS Frontend

A188181 T(n,k) is the number of strictly increasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero.

Table of values

List of values