A255577 - cp's OEIS frontend

A255577 Numbers n not coprime to 10 such that there exists an integer k > 1 where n^k contains n as its last digits in base 10.

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	12
7	16
8	24
9	25
10	28
11	32
12	36
13	44
14	48
15	52
16	56
17	64
18	68
19	72
20	75
21	76
22	84
23	88
24	92
25	96
26	104
27	112
28	125
29	128
30	136
31	144
32	152
33	168
34	176
35	184
36	192
37	208
38	216
39	224
40	232
41	248
42	256
43	264
44	272
45	288
46	296
47	304
48	312
49	328

[2, 4, 5, 6, 8, 12, 16, 24, 25, 28, 32, 36, 44, 48, 52, 56, 64, 68, 72, 75, 76, 84, 88, 92, 96, 104, 112, 125, 128, 136, 144, 152, 168, 176, 184, 192, 208, 216, 224, 232, 248, 256, 264, 272, 288, 296, 304, 312, 328]

cp's OEIS Frontend

A255577 Numbers n not coprime to 10 such that there exists an integer k > 1 where n^k contains n as its last digits in base 10.

Table of values

List of values

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	12
7	16
8	24
9	25
10	28
11	32
12	36
13	44
14	48
15	52
16	56
17	64
18	68
19	72
20	75
21	76
22	84
23	88
24	92
25	96
26	104
27	112
28	125
29	128
30	136
31	144
32	152
33	168
34	176
35	184
36	192
37	208
38	216
39	224
40	232
41	248
42	256
43	264
44	272
45	288
46	296
47	304
48	312
49	328

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	12
7	16
8	24
9	25
10	28
11	32
12	36
13	44
14	48
15	52
16	56
17	64
18	68
19	72
20	75
21	76
22	84
23	88
24	92
25	96
26	104
27	112
28	125
29	128
30	136
31	144
32	152
33	168
34	176
35	184
36	192
37	208
38	216
39	224
40	232
41	248
42	256
43	264
44	272
45	288
46	296
47	304
48	312
49	328

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	12
7	16
8	24
9	25
10	28
11	32
12	36
13	44
14	48
15	52
16	56
17	64
18	68
19	72
20	75
21	76
22	84
23	88
24	92
25	96
26	104
27	112
28	125
29	128
30	136
31	144
32	152
33	168
34	176
35	184
36	192
37	208
38	216
39	224
40	232
41	248
42	256
43	264
44	272
45	288
46	296
47	304
48	312
49	328