A231007 - cp's OEIS frontend

A231007 Number of months after which a date can fall on the same day of the week, but it is not possible that the two months have the same number of days, in the Gregorian calendar.

n	a(n)
1	1
2	11
3	19
4	27
5	28
6	44
7	45
8	53
9	61
10	70
11	71
12	73
13	74
14	83
15	91
16	99
17	100
18	116
19	125
20	131
21	133
22	143
23	145
24	146
25	160
26	171
27	177
28	185
29	193
30	202
31	203
32	205
33	206
34	215
35	217
36	223
37	231
38	232
39	248
40	249
41	257
42	263
43	265
44	274
45	275
46	277
47	278
48	287
49	295
50	303
51	309
52	320
53	334
54	335
55	337
56	347
57	349
58	355
59	364

[1, 11, 19, 27, 28, 44, 45, 53, 61, 70, 71, 73, 74, 83, 91, 99, 100, 116, 125, 131, 133, 143, 145, 146, 160, 171, 177, 185, 193, 202, 203, 205, 206, 215, 217, 223, 231, 232, 248, 249, 257, 263, 265, 274, 275, 277, 278, 287, 295, 303, 309, 320, 334, 335, 337, 347, 349, 355, 364]

cp's OEIS Frontend

A231007 Number of months after which a date can fall on the same day of the week, but it is not possible that the two months have the same number of days, in the Gregorian calendar.

Table of values

List of values

n	a(n)
1	1
2	11
3	19
4	27
5	28
6	44
7	45
8	53
9	61
10	70
11	71
12	73
13	74
14	83
15	91
16	99
17	100
18	116
19	125
20	131
21	133
22	143
23	145
24	146
25	160
26	171
27	177
28	185
29	193
30	202
31	203
32	205
33	206
34	215
35	217
36	223
37	231
38	232
39	248
40	249
41	257
42	263
43	265
44	274
45	275
46	277
47	278
48	287
49	295
50	303
51	309
52	320
53	334
54	335
55	337
56	347
57	349
58	355
59	364

n	a(n)
1	1
2	11
3	19
4	27
5	28
6	44
7	45
8	53
9	61
10	70
11	71
12	73
13	74
14	83
15	91
16	99
17	100
18	116
19	125
20	131
21	133
22	143
23	145
24	146
25	160
26	171
27	177
28	185
29	193
30	202
31	203
32	205
33	206
34	215
35	217
36	223
37	231
38	232
39	248
40	249
41	257
42	263
43	265
44	274
45	275
46	277
47	278
48	287
49	295
50	303
51	309
52	320
53	334
54	335
55	337
56	347
57	349
58	355
59	364

n	a(n)
1	1
2	11
3	19
4	27
5	28
6	44
7	45
8	53
9	61
10	70
11	71
12	73
13	74
14	83
15	91
16	99
17	100
18	116
19	125
20	131
21	133
22	143
23	145
24	146
25	160
26	171
27	177
28	185
29	193
30	202
31	203
32	205
33	206
34	215
35	217
36	223
37	231
38	232
39	248
40	249
41	257
42	263
43	265
44	274
45	275
46	277
47	278
48	287
49	295
50	303
51	309
52	320
53	334
54	335
55	337
56	347
57	349
58	355
59	364