A371918 - cp's OEIS frontend

A371918 The smallest unused positive number such that 2^a(n) contains n as a substring.

n	a(n)
0	10
1	4
2	1
3	5
4	2
5	8
6	6
7	15
8	3
9	12
10	17
11	40
12	7
13	27
14	18
15	21
16	14
17	34
18	30
19	13
20	11
21	24
22	43
23	41
24	19
25	50
26	28
27	38
28	47
29	32
30	22
31	49
32	25
33	63
34	33
35	35
36	16
37	37
38	23
39	42
40	53
41	44
42	59
43	45
44	46
45	52
46	60
47	31
48	20
49	39
50	54
51	9
52	51
53	29
54	74
55	57
56	48
57	56
58	61
59	69
60	55
61	58
62	66
63	76
64	26
65	73
66	72
67	36
68	62
69	82
70	64
71	70
72	77
73	67
74	65
75	91
76	78

[10, 4, 1, 5, 2, 8, 6, 15, 3, 12, 17, 40, 7, 27, 18, 21, 14, 34, 30, 13, 11, 24, 43, 41, 19, 50, 28, 38, 47, 32, 22, 49, 25, 63, 33, 35, 16, 37, 23, 42, 53, 44, 59, 45, 46, 52, 60, 31, 20, 39, 54, 9, 51, 29, 74, 57, 48, 56, 61, 69, 55, 58, 66, 76, 26, 73, 72, 36, 62, 82, 64, 70, 77, 67, 65, 91, 78]

cp's OEIS Frontend

A371918 The smallest unused positive number such that 2^a(n) contains n as a substring.

Table of values

List of values

n	a(n)
0	10
1	4
2	1
3	5
4	2
5	8
6	6
7	15
8	3
9	12
10	17
11	40
12	7
13	27
14	18
15	21
16	14
17	34
18	30
19	13
20	11
21	24
22	43
23	41
24	19
25	50
26	28
27	38
28	47
29	32
30	22
31	49
32	25
33	63
34	33
35	35
36	16
37	37
38	23
39	42
40	53
41	44
42	59
43	45
44	46
45	52
46	60
47	31
48	20
49	39
50	54
51	9
52	51
53	29
54	74
55	57
56	48
57	56
58	61
59	69
60	55
61	58
62	66
63	76
64	26
65	73
66	72
67	36
68	62
69	82
70	64
71	70
72	77
73	67
74	65
75	91
76	78

n	a(n)
0	10
1	4
2	1
3	5
4	2
5	8
6	6
7	15
8	3
9	12
10	17
11	40
12	7
13	27
14	18
15	21
16	14
17	34
18	30
19	13
20	11
21	24
22	43
23	41
24	19
25	50
26	28
27	38
28	47
29	32
30	22
31	49
32	25
33	63
34	33
35	35
36	16
37	37
38	23
39	42
40	53
41	44
42	59
43	45
44	46
45	52
46	60
47	31
48	20
49	39
50	54
51	9
52	51
53	29
54	74
55	57
56	48
57	56
58	61
59	69
60	55
61	58
62	66
63	76
64	26
65	73
66	72
67	36
68	62
69	82
70	64
71	70
72	77
73	67
74	65
75	91
76	78

n	a(n)
0	10
1	4
2	1
3	5
4	2
5	8
6	6
7	15
8	3
9	12
10	17
11	40
12	7
13	27
14	18
15	21
16	14
17	34
18	30
19	13
20	11
21	24
22	43
23	41
24	19
25	50
26	28
27	38
28	47
29	32
30	22
31	49
32	25
33	63
34	33
35	35
36	16
37	37
38	23
39	42
40	53
41	44
42	59
43	45
44	46
45	52
46	60
47	31
48	20
49	39
50	54
51	9
52	51
53	29
54	74
55	57
56	48
57	56
58	61
59	69
60	55
61	58
62	66
63	76
64	26
65	73
66	72
67	36
68	62
69	82
70	64
71	70
72	77
73	67
74	65
75	91
76	78