A379137 - cp's OEIS frontend

A379137 Numbers k such that a nonzero proper substring of the concatenation, in decreasing order, of the prime factors of k (without multiplicity) is divisible by k.

n	a(n)
1	66
2	95
3	132
4	995
5	9995
6	18733
7	85713
8	93115
9	131131
10	197591
11	316406
12	380627
13	632812
14	999995
15	2897105
16	4285713
17	7231913
18	8691315
19	58730137
20	99999995
21	169035711
22	507107133
23	3005755566
24	4870313015
25	6011511132
26	9023163631
27	9091190911

[66, 95, 132, 995, 9995, 18733, 85713, 93115, 131131, 197591, 316406, 380627, 632812, 999995, 2897105, 4285713, 7231913, 8691315, 58730137, 99999995, 169035711, 507107133, 3005755566, 4870313015, 6011511132, 9023163631, 9091190911]

cp's OEIS Frontend

A379137 Numbers k such that a nonzero proper substring of the concatenation, in decreasing order, of the prime factors of k (without multiplicity) is divisible by k.

Table of values

List of values