A074361 - cp's OEIS frontend

A074361 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)=(3,1).

n	a(n)
0	0
1	0
2	0
3	3
4	19
5	93
6	407
7	1674
8	6618
9	25455
10	95953
11	356151
12	1305887
13	4741092
14	17072484
15	61055787
16	217074895
17	767882865
18	2704365719
19	9487509102
20	33170122494
21	115614094071
22	401864286637
23	1393378817259
24	4820368210175

[0, 0, 0, 3, 19, 93, 407, 1674, 6618, 25455, 95953, 356151, 1305887, 4741092, 17072484, 61055787, 217074895, 767882865, 2704365719, 9487509102, 33170122494, 115614094071, 401864286637, 1393378817259, 4820368210175]

cp's OEIS Frontend

A074361 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)=(3,1).

Table of values

List of values

cp's OEIS Frontend

A074361 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)=(3,1).

Table of values

List of values

A074361 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)=(3,1).