A113465 - cp's OEIS frontend

A113465 Rectangular array read by antidiagonals: a(n, d) is the smallest number that starts an arithmetic progression with common difference d of n numbers with the same number of divisors.

n	a(n)
1	1
2	2
3	1
4	33
5	3
6	1
7	242
8	3
9	2
10	1
11	11605
12	213
13	119
14	3
15	1
16	28374
17	213
18	3445
19	3
20	2
21	1
22	171893
23	1383
24	15026
25	111
26	77
27	5
28	1
29	1043710445721
30	3091
31	74783
32	201
33	8718
34	5
35	8
36	1

[1, 2, 1, 33, 3, 1, 242, 3, 2, 1, 11605, 213, 119, 3, 1, 28374, 213, 3445, 3, 2, 1, 171893, 1383, 15026, 111, 77, 5, 1, 1043710445721, 3091, 74783, 201, 8718, 5, 8, 1]

cp's OEIS Frontend

A113465 Rectangular array read by antidiagonals: a(n, d) is the smallest number that starts an arithmetic progression with common difference d of n numbers with the same number of divisors.

Table of values

List of values