A230999 - cp's OEIS frontend

A230999 Number of years after which it is not possible to have the same calendar for the entire year, in the Gregorian calendar.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	13
11	14
12	15
13	16
14	19
15	20
16	21
17	24
18	25
19	26
20	27
21	30
22	31
23	32
24	33
25	35
26	36
27	37
28	38
29	41
30	42
31	43
32	44
33	47
34	48
35	49
36	52
37	53
38	54
39	55
40	58
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	69
49	70
50	71
51	72
52	75
53	76
54	77
55	80
56	81
57	82
58	83
59	86
60	87
61	88
62	89
63	91
64	92
65	93
66	94
67	97
68	98
69	99
70	100

[1, 2, 3, 4, 5, 7, 8, 9, 10, 13, 14, 15, 16, 19, 20, 21, 24, 25, 26, 27, 30, 31, 32, 33, 35, 36, 37, 38, 41, 42, 43, 44, 47, 48, 49, 52, 53, 54, 55, 58, 59, 60, 61, 63, 64, 65, 66, 69, 70, 71, 72, 75, 76, 77, 80, 81, 82, 83, 86, 87, 88, 89, 91, 92, 93, 94, 97, 98, 99, 100]

cp's OEIS Frontend

A230999 Number of years after which it is not possible to have the same calendar for the entire year, in the Gregorian calendar.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	13
11	14
12	15
13	16
14	19
15	20
16	21
17	24
18	25
19	26
20	27
21	30
22	31
23	32
24	33
25	35
26	36
27	37
28	38
29	41
30	42
31	43
32	44
33	47
34	48
35	49
36	52
37	53
38	54
39	55
40	58
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	69
49	70
50	71
51	72
52	75
53	76
54	77
55	80
56	81
57	82
58	83
59	86
60	87
61	88
62	89
63	91
64	92
65	93
66	94
67	97
68	98
69	99
70	100

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	13
11	14
12	15
13	16
14	19
15	20
16	21
17	24
18	25
19	26
20	27
21	30
22	31
23	32
24	33
25	35
26	36
27	37
28	38
29	41
30	42
31	43
32	44
33	47
34	48
35	49
36	52
37	53
38	54
39	55
40	58
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	69
49	70
50	71
51	72
52	75
53	76
54	77
55	80
56	81
57	82
58	83
59	86
60	87
61	88
62	89
63	91
64	92
65	93
66	94
67	97
68	98
69	99
70	100

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	13
11	14
12	15
13	16
14	19
15	20
16	21
17	24
18	25
19	26
20	27
21	30
22	31
23	32
24	33
25	35
26	36
27	37
28	38
29	41
30	42
31	43
32	44
33	47
34	48
35	49
36	52
37	53
38	54
39	55
40	58
41	59
42	60
43	61
44	63
45	64
46	65
47	66
48	69
49	70
50	71
51	72
52	75
53	76
54	77
55	80
56	81
57	82
58	83
59	86
60	87
61	88
62	89
63	91
64	92
65	93
66	94
67	97
68	98
69	99
70	100