A231006 - cp's OEIS frontend

A231006 Number of months after which a date can fall on the same day of the week, and the two months can have the same number of days, in the Gregorian calendar.

n	a(n)
0	0
1	3
2	6
3	8
4	9
5	14
6	15
7	17
8	18
9	20
10	22
11	23
12	26
13	29
14	31
15	32
16	34
17	35
18	37
19	38
20	40
21	41
22	43
23	46
24	49
25	50
26	52
27	54
28	55
29	57
30	58
31	60
32	63
33	64
34	66
35	67
36	68
37	69
38	72
39	75
40	76
41	77
42	78
43	80
44	81
45	84
46	86
47	87
48	89
49	90
50	92
51	94
52	95
53	98
54	101
55	103
56	104
57	106
58	107
59	109
60	110
61	112
62	113
63	114
64	115
65	117
66	118

[0, 3, 6, 8, 9, 14, 15, 17, 18, 20, 22, 23, 26, 29, 31, 32, 34, 35, 37, 38, 40, 41, 43, 46, 49, 50, 52, 54, 55, 57, 58, 60, 63, 64, 66, 67, 68, 69, 72, 75, 76, 77, 78, 80, 81, 84, 86, 87, 89, 90, 92, 94, 95, 98, 101, 103, 104, 106, 107, 109, 110, 112, 113, 114, 115, 117, 118]

cp's OEIS Frontend

A231006 Number of months after which a date can fall on the same day of the week, and the two months can have the same number of days, in the Gregorian calendar.

Table of values

List of values

n	a(n)
0	0
1	3
2	6
3	8
4	9
5	14
6	15
7	17
8	18
9	20
10	22
11	23
12	26
13	29
14	31
15	32
16	34
17	35
18	37
19	38
20	40
21	41
22	43
23	46
24	49
25	50
26	52
27	54
28	55
29	57
30	58
31	60
32	63
33	64
34	66
35	67
36	68
37	69
38	72
39	75
40	76
41	77
42	78
43	80
44	81
45	84
46	86
47	87
48	89
49	90
50	92
51	94
52	95
53	98
54	101
55	103
56	104
57	106
58	107
59	109
60	110
61	112
62	113
63	114
64	115
65	117
66	118

n	a(n)
0	0
1	3
2	6
3	8
4	9
5	14
6	15
7	17
8	18
9	20
10	22
11	23
12	26
13	29
14	31
15	32
16	34
17	35
18	37
19	38
20	40
21	41
22	43
23	46
24	49
25	50
26	52
27	54
28	55
29	57
30	58
31	60
32	63
33	64
34	66
35	67
36	68
37	69
38	72
39	75
40	76
41	77
42	78
43	80
44	81
45	84
46	86
47	87
48	89
49	90
50	92
51	94
52	95
53	98
54	101
55	103
56	104
57	106
58	107
59	109
60	110
61	112
62	113
63	114
64	115
65	117
66	118

n	a(n)
0	0
1	3
2	6
3	8
4	9
5	14
6	15
7	17
8	18
9	20
10	22
11	23
12	26
13	29
14	31
15	32
16	34
17	35
18	37
19	38
20	40
21	41
22	43
23	46
24	49
25	50
26	52
27	54
28	55
29	57
30	58
31	60
32	63
33	64
34	66
35	67
36	68
37	69
38	72
39	75
40	76
41	77
42	78
43	80
44	81
45	84
46	86
47	87
48	89
49	90
50	92
51	94
52	95
53	98
54	101
55	103
56	104
57	106
58	107
59	109
60	110
61	112
62	113
63	114
64	115
65	117
66	118