A209453 - cp's OEIS frontend

A209453 a(n) = Pell(n)*A109041(n) for n>=1, with a(0)=1, where A109041 lists the coefficients in eta(q)^9/eta(q^3)^3.

n	a(n)
0	1
1	-9
2	54
3	-45
4	-1404
5	6264
6	1890
7	-76050
8	187272
9	-8865
10	-1540944
11	6200280
12	-1621620
13	-51195330
14	109055700
15	42125400
16	-868685040
17	2946297888
18	74093670
19	-21584605122
20	44912353824
21	-17376284250
22	-302040439920
23	1069478852112
24	249392931480
25	-7095191496489

[1, -9, 54, -45, -1404, 6264, 1890, -76050, 187272, -8865, -1540944, 6200280, -1621620, -51195330, 109055700, 42125400, -868685040, 2946297888, 74093670, -21584605122, 44912353824, -17376284250, -302040439920, 1069478852112, 249392931480, -7095191496489]

cp's OEIS Frontend

A209453 a(n) = Pell(n)*A109041(n) for n>=1, with a(0)=1, where A109041 lists the coefficients in eta(q)^9/eta(q^3)^3.

Table of values

List of values