A261452 - cp's OEIS frontend

A261452 Expansion of Product_{k>=1} ((1+x^k)/(1-x^k))^(2*k-1).

n	a(n)
0	1
1	2
2	8
3	24
4	66
5	176
6	448
7	1096
8	2608
9	6042
10	13664
11	30280
12	65856
13	140800
14	296432
15	615264
16	1260306
17	2550368
18	5102616
19	10101000
20	19797344
21	38439088
22	73976160
23	141179480
24	267300752
25	502283714
26	937077808
27	1736296304
28	3196144032
29	5846632656
30	10631038400

[1, 2, 8, 24, 66, 176, 448, 1096, 2608, 6042, 13664, 30280, 65856, 140800, 296432, 615264, 1260306, 2550368, 5102616, 10101000, 19797344, 38439088, 73976160, 141179480, 267300752, 502283714, 937077808, 1736296304, 3196144032, 5846632656, 10631038400]

cp's OEIS Frontend

A261452 Expansion of Product_{k>=1} ((1+x^k)/(1-x^k))^(2*k-1).

Table of values

List of values