A109135 - cp's OEIS frontend

A109135 Least number whose n-th power is exclusionary (or 0 if no such n exists). An exclusionary n-th power m^n is one made up of digits not appearing in m, which itself consists of distinct digits.

n	a(n)
2	0
3	2
4	2
5	2
6	0
7	2
8	3
9	3
10	0
11	3
12	3
13	2
14	0
15	2
16	0
17	2
18	0
19	0
20	3
21	2
22	0
23	2
24	2
25	7
26	0
27	2
28	3
29	3
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	2
41	3
42	0
43	2
44	0
45	0
46	0
47	2
48	0
49	0
50	0
51	3
52	0
53	0
54	0
55	2
56	3
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	2
85	3
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

[0, 2, 2, 2, 0, 2, 3, 3, 0, 3, 3, 2, 0, 2, 0, 2, 0, 0, 3, 2, 0, 2, 2, 7, 0, 2, 3, 3, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2, 3, 0, 2, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A109135 Least number whose n-th power is exclusionary (or 0 if no such n exists). An exclusionary n-th power m^n is one made up of digits not appearing in m, which itself consists of distinct digits.

Table of values

List of values

n	a(n)
2	0
3	2
4	2
5	2
6	0
7	2
8	3
9	3
10	0
11	3
12	3
13	2
14	0
15	2
16	0
17	2
18	0
19	0
20	3
21	2
22	0
23	2
24	2
25	7
26	0
27	2
28	3
29	3
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	2
41	3
42	0
43	2
44	0
45	0
46	0
47	2
48	0
49	0
50	0
51	3
52	0
53	0
54	0
55	2
56	3
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	2
85	3
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

n	a(n)
2	0
3	2
4	2
5	2
6	0
7	2
8	3
9	3
10	0
11	3
12	3
13	2
14	0
15	2
16	0
17	2
18	0
19	0
20	3
21	2
22	0
23	2
24	2
25	7
26	0
27	2
28	3
29	3
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	2
41	3
42	0
43	2
44	0
45	0
46	0
47	2
48	0
49	0
50	0
51	3
52	0
53	0
54	0
55	2
56	3
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	2
85	3
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0

n	a(n)
2	0
3	2
4	2
5	2
6	0
7	2
8	3
9	3
10	0
11	3
12	3
13	2
14	0
15	2
16	0
17	2
18	0
19	0
20	3
21	2
22	0
23	2
24	2
25	7
26	0
27	2
28	3
29	3
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	2
41	3
42	0
43	2
44	0
45	0
46	0
47	2
48	0
49	0
50	0
51	3
52	0
53	0
54	0
55	2
56	3
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	2
66	0
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	0
81	0
82	0
83	0
84	2
85	3
86	0
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	0
105	0
106	0