A180148 - cp's OEIS frontend

A180148 a(n) = 3*a(n-1) + a(n-2) with a(0)=2 and a(1)=5.

n	a(n)
0	2
1	5
2	17
3	56
4	185
5	611
6	2018
7	6665
8	22013
9	72704
10	240125
11	793079
12	2619362
13	8651165
14	28572857
15	94369736
16	311682065
17	1029415931
18	3399929858
19	11229205505
20	37087546373
21	122491844624
22	404563080245
23	1336181085359
24	4413106336322
25	14575500094325
26	48139606619297

[2, 5, 17, 56, 185, 611, 2018, 6665, 22013, 72704, 240125, 793079, 2619362, 8651165, 28572857, 94369736, 311682065, 1029415931, 3399929858, 11229205505, 37087546373, 122491844624, 404563080245, 1336181085359, 4413106336322, 14575500094325, 48139606619297]

cp's OEIS Frontend

A180148 a(n) = 3*a(n-1) + a(n-2) with a(0)=2 and a(1)=5.

Table of values

List of values