A334534 - cp's OEIS frontend

A334534 Numbers k such that (k-p)*(k+p) contains k as a substring, where p > 0 and p = A007954(k) is the product of digits of k.

n	a(n)
1	25
2	28
3	128
4	225
5	293
6	678
7	725
8	742
9	749
10	4225
11	4421
12	6225
13	8926
14	72225
15	617371
16	1985525
17	3679518
18	4381824
19	6816771
20	8572645
21	9721317
22	43872768
23	54639413
24	758873243
25	5895396725
26	7796276839
27	8881527332
28	9458237492
29	9594769255
30	9949621217
31	25214163187
32	31987487294

[25, 28, 128, 225, 293, 678, 725, 742, 749, 4225, 4421, 6225, 8926, 72225, 617371, 1985525, 3679518, 4381824, 6816771, 8572645, 9721317, 43872768, 54639413, 758873243, 5895396725, 7796276839, 8881527332, 9458237492, 9594769255, 9949621217, 25214163187, 31987487294]

cp's OEIS Frontend

A334534 Numbers k such that (k-p)*(k+p) contains k as a substring, where p > 0 and p = A007954(k) is the product of digits of k.

Table of values

List of values