A074352 - cp's OEIS frontend

A074352 Coefficient of q^1 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=bnu(n-1)+lambda(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,2).

n	a(n)
0	0
1	0
2	0
3	2
4	8
5	22
6	60
7	146
8	352
9	814
10	1860
11	4170
12	9256
13	20326
14	44300
15	95874
16	206320
17	441758
18	941780
19	2000058
20	4233144
21	8932310
22	18796700
23	39457522
24	82643328
25	172743182
26	360399460
27	750625066
28	1560902472
29	3241109574
30	6720828460
31	13918875490
32	28792188176

[0, 0, 0, 2, 8, 22, 60, 146, 352, 814, 1860, 4170, 9256, 20326, 44300, 95874, 206320, 441758, 941780, 2000058, 4233144, 8932310, 18796700, 39457522, 82643328, 172743182, 360399460, 750625066, 1560902472, 3241109574, 6720828460, 13918875490, 28792188176]

cp's OEIS Frontend

A074352 Coefficient of q^1 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=bnu(n-1)+lambda(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,2).

Table of values

List of values

cp's OEIS Frontend

A074352 Coefficient of q^1 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=b*nu(n-1)+lambda*(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,2).

Table of values

List of values

A074352 Coefficient of q^1 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=bnu(n-1)+lambda(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,2).