A249347 - cp's OEIS frontend

A249347 The exponent of the highest power of 7 dividing the product of the elements on the n-th row of Pascal's triangle.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	6
8	5
9	4
10	3
11	2
12	1
13	0
14	12
15	10
16	8
17	6
18	4
19	2
20	0
21	18
22	15
23	12
24	9
25	6
26	3
27	0
28	24
29	20
30	16
31	12
32	8
33	4
34	0
35	30
36	25
37	20
38	15
39	10
40	5
41	0
42	36
43	30
44	24
45	18
46	12
47	6
48	0
49	90
50	82
51	74
52	66
53	58
54	50
55	42
56	89
57	80
58	71
59	62
60	53
61	44
62	35
63	88
64	78
65	68
66	58
67	48
68	38
69	28
70	87
71	76
72	65
73	54
74	43
75	32
76	21
77	86
78	74
79	62
80	50
81	38
82	26
83	14
84	85
85	72
86	59
87	46
88	33
89	20
90	7
91	84
92	70
93	56
94	42
95	28
96	14
97	0

[0, 0, 0, 0, 0, 0, 0, 6, 5, 4, 3, 2, 1, 0, 12, 10, 8, 6, 4, 2, 0, 18, 15, 12, 9, 6, 3, 0, 24, 20, 16, 12, 8, 4, 0, 30, 25, 20, 15, 10, 5, 0, 36, 30, 24, 18, 12, 6, 0, 90, 82, 74, 66, 58, 50, 42, 89, 80, 71, 62, 53, 44, 35, 88, 78, 68, 58, 48, 38, 28, 87, 76, 65, 54, 43, 32, 21, 86, 74, 62, 50, 38, 26, 14, 85, 72, 59, 46, 33, 20, 7, 84, 70, 56, 42, 28, 14, 0]

cp's OEIS Frontend

A249347 The exponent of the highest power of 7 dividing the product of the elements on the n-th row of Pascal's triangle.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	6
8	5
9	4
10	3
11	2
12	1
13	0
14	12
15	10
16	8
17	6
18	4
19	2
20	0
21	18
22	15
23	12
24	9
25	6
26	3
27	0
28	24
29	20
30	16
31	12
32	8
33	4
34	0
35	30
36	25
37	20
38	15
39	10
40	5
41	0
42	36
43	30
44	24
45	18
46	12
47	6
48	0
49	90
50	82
51	74
52	66
53	58
54	50
55	42
56	89
57	80
58	71
59	62
60	53
61	44
62	35
63	88
64	78
65	68
66	58
67	48
68	38
69	28
70	87
71	76
72	65
73	54
74	43
75	32
76	21
77	86
78	74
79	62
80	50
81	38
82	26
83	14
84	85
85	72
86	59
87	46
88	33
89	20
90	7
91	84
92	70
93	56
94	42
95	28
96	14
97	0

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	6
8	5
9	4
10	3
11	2
12	1
13	0
14	12
15	10
16	8
17	6
18	4
19	2
20	0
21	18
22	15
23	12
24	9
25	6
26	3
27	0
28	24
29	20
30	16
31	12
32	8
33	4
34	0
35	30
36	25
37	20
38	15
39	10
40	5
41	0
42	36
43	30
44	24
45	18
46	12
47	6
48	0
49	90
50	82
51	74
52	66
53	58
54	50
55	42
56	89
57	80
58	71
59	62
60	53
61	44
62	35
63	88
64	78
65	68
66	58
67	48
68	38
69	28
70	87
71	76
72	65
73	54
74	43
75	32
76	21
77	86
78	74
79	62
80	50
81	38
82	26
83	14
84	85
85	72
86	59
87	46
88	33
89	20
90	7
91	84
92	70
93	56
94	42
95	28
96	14
97	0

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	6
8	5
9	4
10	3
11	2
12	1
13	0
14	12
15	10
16	8
17	6
18	4
19	2
20	0
21	18
22	15
23	12
24	9
25	6
26	3
27	0
28	24
29	20
30	16
31	12
32	8
33	4
34	0
35	30
36	25
37	20
38	15
39	10
40	5
41	0
42	36
43	30
44	24
45	18
46	12
47	6
48	0
49	90
50	82
51	74
52	66
53	58
54	50
55	42
56	89
57	80
58	71
59	62
60	53
61	44
62	35
63	88
64	78
65	68
66	58
67	48
68	38
69	28
70	87
71	76
72	65
73	54
74	43
75	32
76	21
77	86
78	74
79	62
80	50
81	38
82	26
83	14
84	85
85	72
86	59
87	46
88	33
89	20
90	7
91	84
92	70
93	56
94	42
95	28
96	14
97	0