A231237 - cp's OEIS frontend

A231237 Number of years after which it is either not possible to have a date falling on same day of the week, or the entire year can have the same calendar, in the Julian calendar.

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

[0, 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75]

cp's OEIS Frontend

A231237 Number of years after which it is either not possible to have a date falling on same day of the week, or the entire year can have the same calendar, in the Julian calendar.

Table of values

List of values

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

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

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