A137509 - cp's OEIS frontend

A137509 a(1)=2. For n >= 2, a(n) = the smallest integer > a(n-1) that has the same multiset of prime-factorization exponents as n has.

n	a(n)
1	2
2	3
3	5
4	9
5	11
6	14
7	17
8	27
9	49
10	51
11	53
12	63
13	67
14	69
15	74
16	81
17	83
18	92
19	97
20	98
21	106
22	111
23	113
24	135
25	169
26	177
27	343
28	356
29	359
30	366
31	367
32	3125
33	3127
34	3131
35	3133
36	3249
37	3251
38	3254
39	3261
40	3272
41	3299
42	3302
43	3307
44	3308
45	3316
46	3317
47	3319
48	3321
49	3481
50	3501
51	3503
52	3508

[2, 3, 5, 9, 11, 14, 17, 27, 49, 51, 53, 63, 67, 69, 74, 81, 83, 92, 97, 98, 106, 111, 113, 135, 169, 177, 343, 356, 359, 366, 367, 3125, 3127, 3131, 3133, 3249, 3251, 3254, 3261, 3272, 3299, 3302, 3307, 3308, 3316, 3317, 3319, 3321, 3481, 3501, 3503, 3508]

cp's OEIS Frontend

A137509 a(1)=2. For n >= 2, a(n) = the smallest integer > a(n-1) that has the same multiset of prime-factorization exponents as n has.

Table of values

List of values