A157962 - cp's OEIS frontend

A157962 Table read by rows: Occurrences of Friday the 13th, T(n,1)=month (1 for January), T(n,2)=year-2000, starting year 2000.

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

[10, 0, 4, 1, 7, 1, 9, 2, 12, 2, 6, 3, 2, 4, 8, 4, 5, 5, 1, 6, 10, 6, 4, 7, 7, 7, 6, 8, 2, 9, 3, 9, 11, 9, 8, 10, 5, 11, 1, 12, 4, 12, 7, 12, 9, 13, 12, 13, 6, 14, 2, 15, 3, 15, 11, 15, 5, 16, 1, 17, 10, 17, 4, 18, 7, 18, 9, 19, 12, 19, 3, 20, 11, 20, 8, 21, 5, 22, 1, 23, 10, 23, 9, 24, 12, 24]

cp's OEIS Frontend

A157962 Table read by rows: Occurrences of Friday the 13th, T(n,1)=month (1 for January), T(n,2)=year-2000, starting year 2000.

Table of values

List of values

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

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

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