A002310 - cp's OEIS frontend

A002310 a(n) = 5*a(n-1) - a(n-2), with a(0) = 1 and a(1) = 2.

n	a(n)
0	1
1	2
2	9
3	43
4	206
5	987
6	4729
7	22658
8	108561
9	520147
10	2492174
11	11940723
12	57211441
13	274116482
14	1313370969
15	6292738363
16	30150320846
17	144458865867
18	692144008489
19	3316261176578
20	15889161874401
21	76129548195427
22	364758579102734
23	1747663347318243
24	8373558157488481
25	40120127440124162

[1, 2, 9, 43, 206, 987, 4729, 22658, 108561, 520147, 2492174, 11940723, 57211441, 274116482, 1313370969, 6292738363, 30150320846, 144458865867, 692144008489, 3316261176578, 15889161874401, 76129548195427, 364758579102734, 1747663347318243, 8373558157488481, 40120127440124162]

cp's OEIS Frontend

A002310 a(n) = 5*a(n-1) - a(n-2), with a(0) = 1 and a(1) = 2.

Table of values

List of values