A080086 - cp's OEIS frontend

A080086 Number of factors of 3 in the factorial of the n-th prime, counted with multiplicity.

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	5
7	6
8	8
9	9
10	13
11	14
12	17
13	18
14	19
15	21
16	23
17	27
18	28
19	31
20	32
21	34
22	36
23	40
24	42
25	46
26	48
27	49
28	50
29	53
30	54
31	61
32	62
33	66
34	67
35	71
36	72
37	75
38	80
39	81
40	84
41	86
42	88
43	93
44	94
45	95
46	97
47	102
48	108
49	110
50	111
51	112
52	115
53	116
54	123
55	126
56	129
57	131
58	134
59	136
60	138
61	139
62	143
63	151
64	152
65	153

[0, 1, 1, 2, 4, 5, 6, 8, 9, 13, 14, 17, 18, 19, 21, 23, 27, 28, 31, 32, 34, 36, 40, 42, 46, 48, 49, 50, 53, 54, 61, 62, 66, 67, 71, 72, 75, 80, 81, 84, 86, 88, 93, 94, 95, 97, 102, 108, 110, 111, 112, 115, 116, 123, 126, 129, 131, 134, 136, 138, 139, 143, 151, 152, 153]

cp's OEIS Frontend

A080086 Number of factors of 3 in the factorial of the n-th prime, counted with multiplicity.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	5
7	6
8	8
9	9
10	13
11	14
12	17
13	18
14	19
15	21
16	23
17	27
18	28
19	31
20	32
21	34
22	36
23	40
24	42
25	46
26	48
27	49
28	50
29	53
30	54
31	61
32	62
33	66
34	67
35	71
36	72
37	75
38	80
39	81
40	84
41	86
42	88
43	93
44	94
45	95
46	97
47	102
48	108
49	110
50	111
51	112
52	115
53	116
54	123
55	126
56	129
57	131
58	134
59	136
60	138
61	139
62	143
63	151
64	152
65	153

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	5
7	6
8	8
9	9
10	13
11	14
12	17
13	18
14	19
15	21
16	23
17	27
18	28
19	31
20	32
21	34
22	36
23	40
24	42
25	46
26	48
27	49
28	50
29	53
30	54
31	61
32	62
33	66
34	67
35	71
36	72
37	75
38	80
39	81
40	84
41	86
42	88
43	93
44	94
45	95
46	97
47	102
48	108
49	110
50	111
51	112
52	115
53	116
54	123
55	126
56	129
57	131
58	134
59	136
60	138
61	139
62	143
63	151
64	152
65	153

n	a(n)
1	0
2	1
3	1
4	2
5	4
6	5
7	6
8	8
9	9
10	13
11	14
12	17
13	18
14	19
15	21
16	23
17	27
18	28
19	31
20	32
21	34
22	36
23	40
24	42
25	46
26	48
27	49
28	50
29	53
30	54
31	61
32	62
33	66
34	67
35	71
36	72
37	75
38	80
39	81
40	84
41	86
42	88
43	93
44	94
45	95
46	97
47	102
48	108
49	110
50	111
51	112
52	115
53	116
54	123
55	126
56	129
57	131
58	134
59	136
60	138
61	139
62	143
63	151
64	152
65	153