A074089 - cp's OEIS frontend

A074089 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)=(2,3).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	78
6	501
7	2574
8	11757
9	50034
10	203229
11	797316
12	3046362
13	11394774
14	41885913
15	151732722
16	542840175
17	1921208586
18	6735519249
19	23417342568
20	80810560596
21	277008392478
22	943826398893
23	3198199361910
24	10783017814065

[0, 0, 0, 0, 0, 78, 501, 2574, 11757, 50034, 203229, 797316, 3046362, 11394774, 41885913, 151732722, 542840175, 1921208586, 6735519249, 23417342568, 80810560596, 277008392478, 943826398893, 3198199361910, 10783017814065]

cp's OEIS Frontend

A074089 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)=(2,3).

Table of values

List of values

cp's OEIS Frontend

A074089 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)=(2,3).

Table of values

List of values

A074089 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)=(2,3).