A344534 - cp's OEIS frontend

A344534 For any number n with binary expansion Sum_{k = 1..m} 2^e_k (where 0 <= e_1 < ... < e_m), a(n) = Product_{k = 1..m} prime(1+A002262(e_k))^2^A025581(e_k) (where prime(k) denotes the k-th prime number).

n	a(n)
0	1
1	2
2	4
3	8
4	3
5	6
6	12
7	24
8	16
9	32
10	64
11	128
12	48
13	96
14	192
15	384
16	9
17	18
18	36
19	72
20	27
21	54
22	108
23	216
24	144
25	288
26	576
27	1152
28	432
29	864
30	1728
31	3456
32	5
33	10
34	20
35	40
36	15
37	30
38	60
39	120
40	80
41	160
42	320
43	640
44	240
45	480
46	960
47	1920
48	45
49	90
50	180
51	360
52	135
53	270
54	540
55	1080
56	720
57	1440

[1, 2, 4, 8, 3, 6, 12, 24, 16, 32, 64, 128, 48, 96, 192, 384, 9, 18, 36, 72, 27, 54, 108, 216, 144, 288, 576, 1152, 432, 864, 1728, 3456, 5, 10, 20, 40, 15, 30, 60, 120, 80, 160, 320, 640, 240, 480, 960, 1920, 45, 90, 180, 360, 135, 270, 540, 1080, 720, 1440]

cp's OEIS Frontend

A344534 For any number n with binary expansion Sum_{k = 1..m} 2^e_k (where 0 <= e_1 < ... < e_m), a(n) = Product_{k = 1..m} prime(1+A002262(e_k))^2^A025581(e_k) (where prime(k) denotes the k-th prime number).

Table of values

List of values