A074354 - cp's OEIS frontend

A074354 Coefficient of q^3 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	0
4	0
5	14
6	64
7	218
8	692
9	1982
10	5496
11	14562
12	37692
13	95142
14	236032
15	576074
16	1387780
17	3304078
18	7787656
19	18190386
20	42151116
21	96972534
22	221651472
23	503650970
24	1138286740
25	2559944414
26	5731095704
27	12776843138
28	28374100572

[0, 0, 0, 0, 0, 14, 64, 218, 692, 1982, 5496, 14562, 37692, 95142, 236032, 576074, 1387780, 3304078, 7787656, 18190386, 42151116, 96972534, 221651472, 503650970, 1138286740, 2559944414, 5731095704, 12776843138, 28374100572]

cp's OEIS Frontend

A074354 Coefficient of q^3 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

A074354 Coefficient of q^3 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

A074354 Coefficient of q^3 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).