A078669 - cp's OEIS frontend

A078669 Number of times n appears among the decimal digits of (n!)^n.

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	1
7	0
8	1
9	4
10	0
11	0
12	1
13	2
14	2
15	2
16	1
17	2
18	4
19	3
20	1
21	5
22	3
23	2
24	11
25	5
26	1
27	2
28	7
29	8
30	15
31	8
32	5
33	11
34	11
35	10
36	8
37	7
38	10
39	16
40	17
41	15
42	19
43	12
44	17
45	18
46	23
47	27
48	19
49	24
50	30
51	18
52	25
53	40
54	30
55	23
56	27
57	29
58	31
59	33
60	48
61	48
62	50
63	30
64	49
65	51
66	51
67	58
68	55
69	67
70	52
71	59
72	50
73	52
74	63
75	78
76	67
77	92
78	107
79	94
80	74

[1, 0, 0, 0, 0, 1, 0, 1, 4, 0, 0, 1, 2, 2, 2, 1, 2, 4, 3, 1, 5, 3, 2, 11, 5, 1, 2, 7, 8, 15, 8, 5, 11, 11, 10, 8, 7, 10, 16, 17, 15, 19, 12, 17, 18, 23, 27, 19, 24, 30, 18, 25, 40, 30, 23, 27, 29, 31, 33, 48, 48, 50, 30, 49, 51, 51, 58, 55, 67, 52, 59, 50, 52, 63, 78, 67, 92, 107, 94, 74]

cp's OEIS Frontend

A078669 Number of times n appears among the decimal digits of (n!)^n.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	1
7	0
8	1
9	4
10	0
11	0
12	1
13	2
14	2
15	2
16	1
17	2
18	4
19	3
20	1
21	5
22	3
23	2
24	11
25	5
26	1
27	2
28	7
29	8
30	15
31	8
32	5
33	11
34	11
35	10
36	8
37	7
38	10
39	16
40	17
41	15
42	19
43	12
44	17
45	18
46	23
47	27
48	19
49	24
50	30
51	18
52	25
53	40
54	30
55	23
56	27
57	29
58	31
59	33
60	48
61	48
62	50
63	30
64	49
65	51
66	51
67	58
68	55
69	67
70	52
71	59
72	50
73	52
74	63
75	78
76	67
77	92
78	107
79	94
80	74

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	1
7	0
8	1
9	4
10	0
11	0
12	1
13	2
14	2
15	2
16	1
17	2
18	4
19	3
20	1
21	5
22	3
23	2
24	11
25	5
26	1
27	2
28	7
29	8
30	15
31	8
32	5
33	11
34	11
35	10
36	8
37	7
38	10
39	16
40	17
41	15
42	19
43	12
44	17
45	18
46	23
47	27
48	19
49	24
50	30
51	18
52	25
53	40
54	30
55	23
56	27
57	29
58	31
59	33
60	48
61	48
62	50
63	30
64	49
65	51
66	51
67	58
68	55
69	67
70	52
71	59
72	50
73	52
74	63
75	78
76	67
77	92
78	107
79	94
80	74

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	1
7	0
8	1
9	4
10	0
11	0
12	1
13	2
14	2
15	2
16	1
17	2
18	4
19	3
20	1
21	5
22	3
23	2
24	11
25	5
26	1
27	2
28	7
29	8
30	15
31	8
32	5
33	11
34	11
35	10
36	8
37	7
38	10
39	16
40	17
41	15
42	19
43	12
44	17
45	18
46	23
47	27
48	19
49	24
50	30
51	18
52	25
53	40
54	30
55	23
56	27
57	29
58	31
59	33
60	48
61	48
62	50
63	30
64	49
65	51
66	51
67	58
68	55
69	67
70	52
71	59
72	50
73	52
74	63
75	78
76	67
77	92
78	107
79	94
80	74