A022323 - cp's OEIS frontend

A022323 a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 9.

n	a(n)
0	1
1	9
2	11
3	21
4	33
5	55
6	89
7	145
8	235
9	381
10	617
11	999
12	1617
13	2617
14	4235
15	6853
16	11089
17	17943
18	29033
19	46977
20	76011
21	122989
22	199001
23	321991
24	520993
25	842985
26	1363979
27	2206965
28	3570945
29	5777911
30	9348857

[1, 9, 11, 21, 33, 55, 89, 145, 235, 381, 617, 999, 1617, 2617, 4235, 6853, 11089, 17943, 29033, 46977, 76011, 122989, 199001, 321991, 520993, 842985, 1363979, 2206965, 3570945, 5777911, 9348857]

cp's OEIS Frontend

A022323 a(n) = a(n-1) + a(n-2) + 1, with a(0) = 1 and a(1) = 9.

Table of values

List of values