A246569 - cp's OEIS frontend

A246569 Semiprimes with strictly increasing product of digits.

n	a(n)
1	4
2	6
3	9
4	25
5	26
6	35
7	38
8	39
9	49
10	58
11	69
12	87
13	249
14	259
15	278
16	289
17	299
18	398
19	478
20	489
21	579
22	589
23	679
24	689
25	699
26	789
27	799
28	889
29	899
30	2589
31	2599
32	2779
33	2798
34	2899
35	3799
36	3898
37	3899
38	4798
39	4979
40	4989
41	5799
42	5899
43	5999
44	6989
45	6999
46	7899
47	7999
48	8899
49	9899
50	19999
51	26799

[4, 6, 9, 25, 26, 35, 38, 39, 49, 58, 69, 87, 249, 259, 278, 289, 299, 398, 478, 489, 579, 589, 679, 689, 699, 789, 799, 889, 899, 2589, 2599, 2779, 2798, 2899, 3799, 3898, 3899, 4798, 4979, 4989, 5799, 5899, 5999, 6989, 6999, 7899, 7999, 8899, 9899, 19999, 26799]

cp's OEIS Frontend

A246569 Semiprimes with strictly increasing product of digits.

Table of values

List of values