A189737 - cp's OEIS frontend

A189737 a(1)=3, a(2)=3, a(n)=3a(n-1) + 3a(n-2).

n	a(n)
1	3
2	3
3	18
4	63
5	243
6	918
7	3483
8	13203
9	50058
10	189783
11	719523
12	2727918
13	10342323
14	39210723
15	148659138
16	563609583
17	2136806163
18	8101247238
19	30714160203
20	116446222323
21	441481147578
22	1673782109703
23	6345789771843
24	24058715644638
25	91213516249443
26	345816695682243

[3, 3, 18, 63, 243, 918, 3483, 13203, 50058, 189783, 719523, 2727918, 10342323, 39210723, 148659138, 563609583, 2136806163, 8101247238, 30714160203, 116446222323, 441481147578, 1673782109703, 6345789771843, 24058715644638, 91213516249443, 345816695682243]

cp's OEIS Frontend

A189737 a(1)=3, a(2)=3, a(n)=3a(n-1) + 3a(n-2).

Table of values

List of values

cp's OEIS Frontend

A189737 a(1)=3, a(2)=3, a(n)=3*a(n-1) + 3*a(n-2).

Table of values

List of values

A189737 a(1)=3, a(2)=3, a(n)=3a(n-1) + 3a(n-2).