A375287 - cp's OEIS frontend

A375287 Square array T(n, k), n > 1 and k >= 1, read by antidiagonals in ascending order, give the smallest number that starts a sequence of exactly k consecutive numbers, each having exactly n distinct prime factors (counted without multiplicity), or -1 if no such number exists.

n	a(n)
2	6
3	30
4	14
5	210
6	230
7	20
8	2310
9	7314
10	644
11	33
12	30030
13	254540
14	37960
15	1308
16	54
17	510510
18	11243154
19	1042404
20	134043
21	2664
22	91
23	9699690
24	965009045
25	323567034
26	21871365
27	357642
28	6850
29	142

[6, 30, 14, 210, 230, 20, 2310, 7314, 644, 33, 30030, 254540, 37960, 1308, 54, 510510, 11243154, 1042404, 134043, 2664, 91, 9699690, 965009045, 323567034, 21871365, 357642, 6850, 142]

cp's OEIS Frontend

A375287 Square array T(n, k), n > 1 and k >= 1, read by antidiagonals in ascending order, give the smallest number that starts a sequence of exactly k consecutive numbers, each having exactly n distinct prime factors (counted without multiplicity), or -1 if no such number exists.

Table of values

List of values