A154996 - cp's OEIS frontend

A154996 a(n) = 5a(n-1) + 20a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=9.

n	a(n)
0	1
1	1
2	9
3	65
4	505
5	3825
6	29225
7	222625
8	1697625
9	12940625
10	98655625
11	752090625
12	5733565625
13	43709640625
14	333219515625
15	2540290390625
16	19365842265625
17	147635019140625
18	1125491941015625
19	8580160087890625
20	65410639259765625

[1, 1, 9, 65, 505, 3825, 29225, 222625, 1697625, 12940625, 98655625, 752090625, 5733565625, 43709640625, 333219515625, 2540290390625, 19365842265625, 147635019140625, 1125491941015625, 8580160087890625, 65410639259765625]

cp's OEIS Frontend

A154996 a(n) = 5a(n-1) + 20a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=9.

Table of values

List of values

cp's OEIS Frontend

A154996 a(n) = 5*a(n-1) + 20*a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=9.

Table of values

List of values

A154996 a(n) = 5a(n-1) + 20a(n-2), n>2 ; a(0)=1, a(1)=1, a(2)=9.