A250561 - cp's OEIS frontend

A250561 T(n,k)=Number of length n+2 0..k arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.

n	a(n)
1	2
2	5
3	8
4	8
5	25
6	14
7	13
8	60
9	83
10	32
11	18
12	117
13	302
14	297
15	62
16	25
17	200
18	761
19	1516
20	989
21	128
22	32
23	321
24	1648
25	5105
26	7126
27	3113
28	254
29	41
30	480
31	3125
32	13732
33	31525
34	30780
35	9611
36	512
37	50
38	681
39	5446
40	31173
41	106362
42	177421
43	127586
44	29257
45	1022
46	61
47	940
48	8843
49	63400
50	290909

[2, 5, 8, 8, 25, 14, 13, 60, 83, 32, 18, 117, 302, 297, 62, 25, 200, 761, 1516, 989, 128, 32, 321, 1648, 5105, 7126, 3113, 254, 41, 480, 3125, 13732, 31525, 30780, 9611, 512, 50, 681, 5446, 31173, 106362, 177421, 127586, 29257, 1022, 61, 940, 8843, 63400, 290909]

cp's OEIS Frontend

A250561 T(n,k)=Number of length n+2 0..k arrays with the sum of second differences multiplied by some arrangement of +-1 equal to zero.

Table of values

List of values