A004254 - cp's OEIS frontend

A004254 a(n) = 5*a(n-1) - a(n-2) for n > 1, a(0) = 0, a(1) = 1.

n	a(n)
0	0
1	1
2	5
3	24
4	115
5	551
6	2640
7	12649
8	60605
9	290376
10	1391275
11	6665999
12	31938720
13	153027601
14	733199285
15	3512968824
16	16831644835
17	80645255351
18	386394631920
19	1851327904249
20	8870244889325
21	42499896542376
22	203629237822555
23	975646292570399
24	4674602225029440
25	22397364832576801

[0, 1, 5, 24, 115, 551, 2640, 12649, 60605, 290376, 1391275, 6665999, 31938720, 153027601, 733199285, 3512968824, 16831644835, 80645255351, 386394631920, 1851327904249, 8870244889325, 42499896542376, 203629237822555, 975646292570399, 4674602225029440, 22397364832576801]

cp's OEIS Frontend

A004254 a(n) = 5*a(n-1) - a(n-2) for n > 1, a(0) = 0, a(1) = 1.

Table of values

List of values