A120157 - cp's OEIS frontend

A120157 a(n) = 13 + floor(Sum_{j=1..n-1} a(j)/3).

n	a(n)
1	13
2	17
3	23
4	30
5	40
6	54
7	72
8	96
9	128
10	170
11	227
12	303
13	404
14	538
15	718
16	957
17	1276
18	1701
19	2268
20	3024
21	4032
22	5376
23	7168
24	9558
25	12744
26	16992
27	22656
28	30208
29	40277
30	53703
31	71604
32	95472
33	127296
34	169728
35	226304
36	301738
37	402318
38	536424
39	715232
40	953642

[13, 17, 23, 30, 40, 54, 72, 96, 128, 170, 227, 303, 404, 538, 718, 957, 1276, 1701, 2268, 3024, 4032, 5376, 7168, 9558, 12744, 16992, 22656, 30208, 40277, 53703, 71604, 95472, 127296, 169728, 226304, 301738, 402318, 536424, 715232, 953642]

cp's OEIS Frontend

A120157 a(n) = 13 + floor(Sum_{j=1..n-1} a(j)/3).

Table of values

List of values