A074358 - cp's OEIS frontend

A074358 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)=(2,2).

n	a(n)
0	0
1	0
2	0
3	4
4	20
5	80
6	288
7	976
8	3184
9	10112
10	31488
11	96576
12	292672
13	878336
14	2614784
15	7731456
16	22728448
17	66482176
18	193617920
19	561718272
20	1624101888
21	4681535488
22	13457924096
23	38592008192
24	110419341312
25	315287830528
26	898583560192

[0, 0, 0, 4, 20, 80, 288, 976, 3184, 10112, 31488, 96576, 292672, 878336, 2614784, 7731456, 22728448, 66482176, 193617920, 561718272, 1624101888, 4681535488, 13457924096, 38592008192, 110419341312, 315287830528, 898583560192]

cp's OEIS Frontend

A074358 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)=(2,2).

Table of values

List of values

cp's OEIS Frontend

A074358 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)=(2,2).

Table of values

List of values

A074358 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)=(2,2).