A120150 - cp's OEIS frontend

A120150 a(n) = 3 + floor((2 + Sum_{j=1..n-1} a(j))/3).

n	a(n)
1	3
2	4
3	6
4	8
5	10
6	14
7	18
8	24
9	32
10	43
11	57
12	76
13	102
14	136
15	181
16	241
17	322
18	429
19	572
20	763
21	1017
22	1356
23	1808
24	2411
25	3214
26	4286
27	5714
28	7619
29	10159
30	13545
31	18060
32	24080
33	32107
34	42809
35	57079
36	76105
37	101473
38	135298
39	180397
40	240529

[3, 4, 6, 8, 10, 14, 18, 24, 32, 43, 57, 76, 102, 136, 181, 241, 322, 429, 572, 763, 1017, 1356, 1808, 2411, 3214, 4286, 5714, 7619, 10159, 13545, 18060, 24080, 32107, 42809, 57079, 76105, 101473, 135298, 180397, 240529]

cp's OEIS Frontend

A120150 a(n) = 3 + floor((2 + Sum_{j=1..n-1} a(j))/3).

Table of values

List of values