A250278 - cp's OEIS frontend

A250278 Number of length 3+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.

n	a(n)
1	8
2	27
3	52
4	89
5	140
6	207
7	288
8	389
9	504
10	639
11	780
12	949
13	1132
14	1335
15	1552
16	1789
17	2048
18	2339
19	2636
20	2957
21	3292
22	3639
23	4000
24	4401
25	4840
26	5299
27	5772
28	6265
29	6772
30	7319
31	7880
32	8477
33	9080
34	9711
35	10364
36	11061
37	11772
38	12495
39	13232
40	14013
41	14816
42	15647
43	16484

[8, 27, 52, 89, 140, 207, 288, 389, 504, 639, 780, 949, 1132, 1335, 1552, 1789, 2048, 2339, 2636, 2957, 3292, 3639, 4000, 4401, 4840, 5299, 5772, 6265, 6772, 7319, 7880, 8477, 9080, 9711, 10364, 11061, 11772, 12495, 13232, 14013, 14816, 15647, 16484]

cp's OEIS Frontend

A250278 Number of length 3+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero.

Table of values

List of values