A123270 - cp's OEIS frontend

A123270 a(0)=1, a(1)=1, a(n) = 5a(n-1) + 4a(n-2).

n	a(n)
0	1
1	1
2	9
3	49
4	281
5	1601
6	9129
7	52049
8	296761
9	1692001
10	9647049
11	55003249
12	313604441
13	1788035201
14	10194593769
15	58125109649
16	331403923321
17	1889520055201
18	10773215969289
19	61424160067249
20	350213664213401
21	1996764961336001

[1, 1, 9, 49, 281, 1601, 9129, 52049, 296761, 1692001, 9647049, 55003249, 313604441, 1788035201, 10194593769, 58125109649, 331403923321, 1889520055201, 10773215969289, 61424160067249, 350213664213401, 1996764961336001]

cp's OEIS Frontend

A123270 a(0)=1, a(1)=1, a(n) = 5a(n-1) + 4a(n-2).

Table of values

List of values

cp's OEIS Frontend

A123270 a(0)=1, a(1)=1, a(n) = 5*a(n-1) + 4*a(n-2).

Table of values

List of values

A123270 a(0)=1, a(1)=1, a(n) = 5a(n-1) + 4a(n-2).