A180250 - cp's OEIS frontend

A180250 a(n) = 5a(n-1) + 10a(n-2), with a(1)=0 and a(2)=1.

n	a(n)
1	0
2	1
3	5
4	35
5	225
6	1475
7	9625
8	62875
9	410625
10	2681875
11	17515625
12	114396875
13	747140625
14	4879671875
15	31869765625
16	208145546875
17	1359425390625
18	8878582421875
19	57987166015625
20	378721654296875
21	2473479931640625
22	16154616201171875
23	105507880322265625

[0, 1, 5, 35, 225, 1475, 9625, 62875, 410625, 2681875, 17515625, 114396875, 747140625, 4879671875, 31869765625, 208145546875, 1359425390625, 8878582421875, 57987166015625, 378721654296875, 2473479931640625, 16154616201171875, 105507880322265625]

cp's OEIS Frontend

A180250 a(n) = 5a(n-1) + 10a(n-2), with a(1)=0 and a(2)=1.

Table of values

List of values

cp's OEIS Frontend

A180250 a(n) = 5*a(n-1) + 10*a(n-2), with a(1)=0 and a(2)=1.

Table of values

List of values

A180250 a(n) = 5a(n-1) + 10a(n-2), with a(1)=0 and a(2)=1.