A080424 - cp's OEIS frontend

A080424 a(n) = 3a(n-1) + 18a(n-2), a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	3
3	27
4	135
5	891
6	5103
7	31347
8	185895
9	1121931
10	6711903
11	40330467
12	241805655
13	1451365371
14	8706597903
15	52244370387
16	313451873415
17	1880754287211
18	11284396583103
19	67706766919107
20	406239439253175
21	2437440122303451
22	14624630273467503
23	87747813021864627
24	526486783988008935

[0, 1, 3, 27, 135, 891, 5103, 31347, 185895, 1121931, 6711903, 40330467, 241805655, 1451365371, 8706597903, 52244370387, 313451873415, 1880754287211, 11284396583103, 67706766919107, 406239439253175, 2437440122303451, 14624630273467503, 87747813021864627, 526486783988008935]

cp's OEIS Frontend

A080424 a(n) = 3a(n-1) + 18a(n-2), a(0)=0, a(1)=1.

Table of values

List of values

cp's OEIS Frontend

A080424 a(n) = 3*a(n-1) + 18*a(n-2), a(0)=0, a(1)=1.

Table of values

List of values

A080424 a(n) = 3a(n-1) + 18a(n-2), a(0)=0, a(1)=1.