A309631 - cp's OEIS frontend

A309631 a(n) is the smallest positive integer divisible by n such that it is possible to strike out a digit from its decimal expansion (apart from trailing zeros) so that the resulting number is nonzero and divisible by n.

n	a(n)
1	11
2	12
3	33
4	24
5	15
6	36
7	77
8	48
9	99
10	110
11	121
12	132
13	143
14	154
15	105
16	176
17	187
18	108
19	2109
20	120
21	231
22	242
23	253
24	264
25	125
26	286
27	297
28	728
29	3219
30	330
31	341
32	352
33	363
34	374
35	315
36	396
37	4107
38	2128
39	4329
40	240
41	451
42	462
43	473
44	484
45	405
46	2530
47	5217
48	1344
49	5439
50	150
51	561
52	572
53	583

[11, 12, 33, 24, 15, 36, 77, 48, 99, 110, 121, 132, 143, 154, 105, 176, 187, 108, 2109, 120, 231, 242, 253, 264, 125, 286, 297, 728, 3219, 330, 341, 352, 363, 374, 315, 396, 4107, 2128, 4329, 240, 451, 462, 473, 484, 405, 2530, 5217, 1344, 5439, 150, 561, 572, 583]

cp's OEIS Frontend

A309631 a(n) is the smallest positive integer divisible by n such that it is possible to strike out a digit from its decimal expansion (apart from trailing zeros) so that the resulting number is nonzero and divisible by n.

Table of values

List of values