A347287 - cp's OEIS frontend

A347287 a(n) = Sum_{k = 1..m} 2^(e_k-1) where e_k = floor(log_p_k(p_(k-1)^e_(k-1))) such that e_k > 0.

n	a(n)
1	1
2	3
3	5
4	11
5	23
6	39
7	75
8	151
9	279
10	559
11	1071
12	2127
13	4255
14	8351
15	16687
16	33327
17	66095
18	132191
19	263263
20	526511
21	1052847
22	2101423
23	4202847
24	8405695
25	16794303
26	33587903
27	67175807
28	134284671
29	268568959
30	537004415
31	1074006399
32	2148012799
33	4295496447
34	8590992639
35	17181985279

[1, 3, 5, 11, 23, 39, 75, 151, 279, 559, 1071, 2127, 4255, 8351, 16687, 33327, 66095, 132191, 263263, 526511, 1052847, 2101423, 4202847, 8405695, 16794303, 33587903, 67175807, 134284671, 268568959, 537004415, 1074006399, 2148012799, 4295496447, 8590992639, 17181985279]

cp's OEIS Frontend

A347287 a(n) = Sum_{k = 1..m} 2^(e_k-1) where e_k = floor(log_p_k(p_(k-1)^e_(k-1))) such that e_k > 0.

Table of values

List of values