A380696 - cp's OEIS frontend

A380696 a(n) = A007598(floor(n/2) - (-1)^n).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	4
6	1
7	9
8	4
9	25
10	9
11	64
12	25
13	169
14	64
15	441
16	169
17	1156
18	441
19	3025
20	1156
21	7921
22	3025
23	20736
24	7921
25	54289
26	20736
27	142129
28	54289
29	372100
30	142129
31	974169
32	372100
33	2550409
34	974169
35	6677056
36	2550409
37	17480761
38	6677056
39	45765225
40	17480761
41	119814916

[1, 1, 0, 1, 1, 4, 1, 9, 4, 25, 9, 64, 25, 169, 64, 441, 169, 1156, 441, 3025, 1156, 7921, 3025, 20736, 7921, 54289, 20736, 142129, 54289, 372100, 142129, 974169, 372100, 2550409, 974169, 6677056, 2550409, 17480761, 6677056, 45765225, 17480761, 119814916]

cp's OEIS Frontend

A380696 a(n) = A007598(floor(n/2) - (-1)^n).

Table of values

List of values