A155892 - cp's OEIS frontend

A155892 Least positive integer such that a(n)! starts with n, both written in base 3.

n	a(n)
1	1
2	2
3	12
4	5
5	13
6	3
7	19
8	4
9	31
10	18
11	12
12	21
13	5
14	33
15	17
16	13
17	34
18	8
19	38
20	7
21	19
22	92
23	24
24	4
25	11
26	6
27	46
28	39
29	31
30	22
31	18
32	77
33	12
34	55
35	32
36	75
37	21
38	52
39	74
40	5
41	15
42	33
43	61
44	122
45	166
46	17
47	47
48	13
49	65
50	54
51	49
52	148
53	34
54	71
55	8
56	117
57	107
58	60
59	38
60	51
61	10
62	7
63	111
64	25
65	19
66	92
67	123
68	128
69	29
70	24
71	56
72	99

[1, 2, 12, 5, 13, 3, 19, 4, 31, 18, 12, 21, 5, 33, 17, 13, 34, 8, 38, 7, 19, 92, 24, 4, 11, 6, 46, 39, 31, 22, 18, 77, 12, 55, 32, 75, 21, 52, 74, 5, 15, 33, 61, 122, 166, 17, 47, 13, 65, 54, 49, 148, 34, 71, 8, 117, 107, 60, 38, 51, 10, 7, 111, 25, 19, 92, 123, 128, 29, 24, 56, 99]

cp's OEIS Frontend

A155892 Least positive integer such that a(n)! starts with n, both written in base 3.

Table of values

List of values

n	a(n)
1	1
2	2
3	12
4	5
5	13
6	3
7	19
8	4
9	31
10	18
11	12
12	21
13	5
14	33
15	17
16	13
17	34
18	8
19	38
20	7
21	19
22	92
23	24
24	4
25	11
26	6
27	46
28	39
29	31
30	22
31	18
32	77
33	12
34	55
35	32
36	75
37	21
38	52
39	74
40	5
41	15
42	33
43	61
44	122
45	166
46	17
47	47
48	13
49	65
50	54
51	49
52	148
53	34
54	71
55	8
56	117
57	107
58	60
59	38
60	51
61	10
62	7
63	111
64	25
65	19
66	92
67	123
68	128
69	29
70	24
71	56
72	99

n	a(n)
1	1
2	2
3	12
4	5
5	13
6	3
7	19
8	4
9	31
10	18
11	12
12	21
13	5
14	33
15	17
16	13
17	34
18	8
19	38
20	7
21	19
22	92
23	24
24	4
25	11
26	6
27	46
28	39
29	31
30	22
31	18
32	77
33	12
34	55
35	32
36	75
37	21
38	52
39	74
40	5
41	15
42	33
43	61
44	122
45	166
46	17
47	47
48	13
49	65
50	54
51	49
52	148
53	34
54	71
55	8
56	117
57	107
58	60
59	38
60	51
61	10
62	7
63	111
64	25
65	19
66	92
67	123
68	128
69	29
70	24
71	56
72	99

n	a(n)
1	1
2	2
3	12
4	5
5	13
6	3
7	19
8	4
9	31
10	18
11	12
12	21
13	5
14	33
15	17
16	13
17	34
18	8
19	38
20	7
21	19
22	92
23	24
24	4
25	11
26	6
27	46
28	39
29	31
30	22
31	18
32	77
33	12
34	55
35	32
36	75
37	21
38	52
39	74
40	5
41	15
42	33
43	61
44	122
45	166
46	17
47	47
48	13
49	65
50	54
51	49
52	148
53	34
54	71
55	8
56	117
57	107
58	60
59	38
60	51
61	10
62	7
63	111
64	25
65	19
66	92
67	123
68	128
69	29
70	24
71	56
72	99