A204385 - cp's OEIS frontend

A204385 G.f.: Sum_{n>=1} moebius(n)x^n/(1 - A002203(n)x^n + (-1)^nx^(2n)), where A002203 is the companion Pell numbers.

n	a(n)
1	1
2	1
3	4
4	6
5	28
6	22
7	168
8	204
9	788
10	1108
11	5740
12	4356
13	33460
14	39914
15	149296
16	235416
17	1136688
18	862466
19	6625108
20	7452408
21	30662688
22	46594942
23	225058680
24	170763912
25	1266505772
26	1583313340
27	6116296036
28	9119790204
29	44560482148
30	30146578648
31	259717522848
32	313506783024

[1, 1, 4, 6, 28, 22, 168, 204, 788, 1108, 5740, 4356, 33460, 39914, 149296, 235416, 1136688, 862466, 6625108, 7452408, 30662688, 46594942, 225058680, 170763912, 1266505772, 1583313340, 6116296036, 9119790204, 44560482148, 30146578648, 259717522848, 313506783024]

cp's OEIS Frontend

A204385 G.f.: Sum_{n>=1} moebius(n)x^n/(1 - A002203(n)x^n + (-1)^nx^(2n)), where A002203 is the companion Pell numbers.

Table of values

List of values

cp's OEIS Frontend

A204385 G.f.: Sum_{n>=1} moebius(n)*x^n/(1 - A002203(n)*x^n + (-1)^n*x^(2*n)), where A002203 is the companion Pell numbers.

Table of values

List of values

A204385 G.f.: Sum_{n>=1} moebius(n)x^n/(1 - A002203(n)x^n + (-1)^nx^(2n)), where A002203 is the companion Pell numbers.