A361293 - cp's OEIS frontend

A361293 a(n) = 20 * a(n-1) - 90 * a(n-2) for n>1, with a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	20
3	310
4	4400
5	60100
6	806000
7	10711000
8	141680000
9	1869610000
10	24641000000
11	324555100000
12	4273412000000
13	56258281000000
14	740558540000000
15	9747925510000000
16	128308241600000000
17	1688851536100000000
18	22229288978000000000
19	292589141311000000000

[0, 1, 20, 310, 4400, 60100, 806000, 10711000, 141680000, 1869610000, 24641000000, 324555100000, 4273412000000, 56258281000000, 740558540000000, 9747925510000000, 128308241600000000, 1688851536100000000, 22229288978000000000, 292589141311000000000]

cp's OEIS Frontend

A361293 a(n) = 20 * a(n-1) - 90 * a(n-2) for n>1, with a(0)=0, a(1)=1.

Table of values

List of values