A048985 - cp's OEIS frontend

A048985 Working in base 2, replace n with the concatenation of its prime divisors in increasing order (write answer in base 10).

n	a(n)
1	1
2	2
3	3
4	10
5	5
6	11
7	7
8	42
9	15
10	21
11	11
12	43
13	13
14	23
15	29
16	170
17	17
18	47
19	19
20	85
21	31
22	43
23	23
24	171
25	45
26	45
27	63
28	87
29	29
30	93
31	31
32	682
33	59
34	81
35	47
36	175
37	37
38	83
39	61
40	341
41	41
42	95
43	43
44	171
45	125
46	87
47	47
48	683
49	63
50	173
51	113
52	173
53	53
54	191
55	91
56	343
57	115
58	93
59	59
60	349
61	61
62	95
63	127
64	2730

[1, 2, 3, 10, 5, 11, 7, 42, 15, 21, 11, 43, 13, 23, 29, 170, 17, 47, 19, 85, 31, 43, 23, 171, 45, 45, 63, 87, 29, 93, 31, 682, 59, 81, 47, 175, 37, 83, 61, 341, 41, 95, 43, 171, 125, 87, 47, 683, 63, 173, 113, 173, 53, 191, 91, 343, 115, 93, 59, 349, 61, 95, 127, 2730]

cp's OEIS Frontend

A048985 Working in base 2, replace n with the concatenation of its prime divisors in increasing order (write answer in base 10).

Table of values

List of values