A372055 - cp's OEIS frontend

A372055 For a positive number k, let L(k) denote the list consisting of k followed by the prime factors of k, with repetition, in nondecreasing order; sequence gives k such that the digits of L(k) are in nondecreasing order.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	12
8	25
9	35
10	111
11	112
12	125
13	222
14	245
15	333
16	335
17	445
18	1225
19	2225
20	11125
21	33445
22	334445
23	3333335
24	3334445
25	3444445
26	33333445
27	333333335
28	334444445
29	3333333335
30	33333334445
31	333333333335
32	33333333334445
33	33333333444445
34	444444444444445
35	2222222222222225

[1, 2, 3, 5, 7, 11, 12, 25, 35, 111, 112, 125, 222, 245, 333, 335, 445, 1225, 2225, 11125, 33445, 334445, 3333335, 3334445, 3444445, 33333445, 333333335, 334444445, 3333333335, 33333334445, 333333333335, 33333333334445, 33333333444445, 444444444444445, 2222222222222225]

cp's OEIS Frontend

A372055 For a positive number k, let L(k) denote the list consisting of k followed by the prime factors of k, with repetition, in nondecreasing order; sequence gives k such that the digits of L(k) are in nondecreasing order.

Table of values

List of values