A235120 - cp's OEIS frontend

A235120 a(n) = b((n+1)/2)^2 if n is odd and a(n) = b(n/2)*b(n/2+1) if n is even, where b = A057452.

n	a(n)
1	64
2	152
3	361
4	1273
5	4489
6	22177
7	109561
8	735151
9	4932841
10	43480517
11	383258929
12	4299363701
13	48229869769
14	668098103693
15	9254743549921
16	154323135646769
17	2573343071840641
18	50602620151819037
19	995057827403377609
20	22686465423182125223
21	517231963031027272681

[64, 152, 361, 1273, 4489, 22177, 109561, 735151, 4932841, 43480517, 383258929, 4299363701, 48229869769, 668098103693, 9254743549921, 154323135646769, 2573343071840641, 50602620151819037, 995057827403377609, 22686465423182125223, 517231963031027272681]

cp's OEIS Frontend

A235120 a(n) = b((n+1)/2)^2 if n is odd and a(n) = b(n/2)*b(n/2+1) if n is even, where b = A057452.

Table of values

List of values