A320674 - cp's OEIS frontend

A320674 Positive integers m with binary expansion (b_1, ..., b_k) (where k = A070939(m)) such that b_i = [m == 0 (mod prime(i))] for i = 1..k (where prime(i) denotes the i-th prime number and [] is an Iverson bracket).

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	16
8	20
9	24
10	32
11	40
12	48
13	64
14	80
15	96
16	128
17	160
18	192
19	256
20	320
21	384
22	512
23	640
24	768
25	1024
26	1280
27	1536
28	2048
29	2560
30	3072
31	4096
32	5120
33	6144
34	8192
35	10240
36	12288
37	16384
38	20480
39	24576
40	32768
41	40960
42	49152
43	65536
44	81920
45	98304
46	131072
47	163840
48	196608

[2, 4, 6, 8, 10, 12, 16, 20, 24, 32, 40, 48, 64, 80, 96, 128, 160, 192, 256, 320, 384, 512, 640, 768, 1024, 1280, 1536, 2048, 2560, 3072, 4096, 5120, 6144, 8192, 10240, 12288, 16384, 20480, 24576, 32768, 40960, 49152, 65536, 81920, 98304, 131072, 163840, 196608]

cp's OEIS Frontend

A320674 Positive integers m with binary expansion (b_1, ..., b_k) (where k = A070939(m)) such that b_i = [m == 0 (mod prime(i))] for i = 1..k (where prime(i) denotes the i-th prime number and [] is an Iverson bracket).

Table of values

List of values