A022309 - cp's OEIS frontend

A022309 a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=4.

n	a(n)
0	0
1	4
2	5
3	10
4	16
5	27
6	44
7	72
8	117
9	190
10	308
11	499
12	808
13	1308
14	2117
15	3426
16	5544
17	8971
18	14516
19	23488
20	38005
21	61494
22	99500
23	160995
24	260496
25	421492
26	681989
27	1103482
28	1785472
29	2888955
30	4674428
31	7563384
32	12237813
33	19801198
34	32039012
35	51840211
36	83879224
37	135719436

[0, 4, 5, 10, 16, 27, 44, 72, 117, 190, 308, 499, 808, 1308, 2117, 3426, 5544, 8971, 14516, 23488, 38005, 61494, 99500, 160995, 260496, 421492, 681989, 1103482, 1785472, 2888955, 4674428, 7563384, 12237813, 19801198, 32039012, 51840211, 83879224, 135719436]

cp's OEIS Frontend

A022309 a(n) = a(n-1) + a(n-2) + 1 for n>1, a(0)=0, a(1)=4.

Table of values

List of values