A375160 - cp's OEIS frontend

A375160 Square array T(n, k), n >= 2 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 prime factors (counted with multiplicity), or -1 if no such number exists.

n	a(n)
2	4
3	8
4	9
5	16
6	27
7	33
8	32
9	135
10	170
11	-1
12	64
13	944
14	1274
15	603
16	-1
17	128
18	5264
19	15470
20	4023
21	602
22	-1
23	256
24	29888
25	33614
26	57967
27	12122
28	2522
29	-1
30	512
31	50624
32	3145310
33	8706123
34	632148
35	204323
36	211673
37	-1

[4, 8, 9, 16, 27, 33, 32, 135, 170, -1, 64, 944, 1274, 603, -1, 128, 5264, 15470, 4023, 602, -1, 256, 29888, 33614, 57967, 12122, 2522, -1, 512, 50624, 3145310, 8706123, 632148, 204323, 211673, -1]

cp's OEIS Frontend

A375160 Square array T(n, k), n >= 2 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 prime factors (counted with multiplicity), or -1 if no such number exists.

Table of values

List of values