A206141 - cp's OEIS frontend

A206141 G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - A002203(k)x^k + (-1)^kx^(2*k)), where A002203 is the companion Pell numbers.

n	a(n)
0	1
1	1
2	3
3	8
4	26
5	67
6	216
7	555
8	1704
9	4538
10	13320
11	35376
12	103863
13	273792
14	783694
15	2101835
16	5905044
17	15745360
18	44132278
19	117267422
20	325136638
21	868034994
22	2379074541
23	6337238658
24	17347580484
25	46039358056
26	125056019725
27	332678989816
28	898361151760
29	2382959919616

[1, 1, 3, 8, 26, 67, 216, 555, 1704, 4538, 13320, 35376, 103863, 273792, 783694, 2101835, 5905044, 15745360, 44132278, 117267422, 325136638, 868034994, 2379074541, 6337238658, 17347580484, 46039358056, 125056019725, 332678989816, 898361151760, 2382959919616]

cp's OEIS Frontend

A206141 G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - A002203(k)x^k + (-1)^kx^(2*k)), where A002203 is the companion Pell numbers.

Table of values

List of values

cp's OEIS Frontend

A206141 G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - A002203(k)*x^k + (-1)^k*x^(2*k)), where A002203 is the companion Pell numbers.

Table of values

List of values

A206141 G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - A002203(k)x^k + (-1)^kx^(2*k)), where A002203 is the companion Pell numbers.