A199832 - cp's OEIS frontend

A199832 T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero.

n	a(n)
1	2
2	10
3	4
4	24
5	40
6	4
7	44
8	140
9	114
10	10
11	70
12	336
13	646
14	426
15	22
16	102
17	660
18	2146
19	3556
20	1650
21	34
22	140
23	1144
24	5390
25	15708
26	20240
27	6126
28	66
29	184
30	1820
31	11384
32	49302
33	118280
34	113884
35	23206
36	138
37	234
38	2720
39	21364
40	124982
41	462234
42	888420
43	645780
44	88636
45	250
46	290
47	3876

[2, 10, 4, 24, 40, 4, 44, 140, 114, 10, 70, 336, 646, 426, 22, 102, 660, 2146, 3556, 1650, 34, 140, 1144, 5390, 15708, 20240, 6126, 66, 184, 1820, 11384, 49302, 118280, 113884, 23206, 138, 234, 2720, 21364, 124982, 462234, 888420, 645780, 88636, 250, 290, 3876]

cp's OEIS Frontend

A199832 T(n,k)=Number of -k..k arrays x(0..n+1) of n+2 elements with zero sum and no two neighbors summing to zero.

Table of values

List of values