A230997 - cp's OEIS frontend

A230997 Number of years after which it is possible to have a date falling on same day of the week, but the entire year does not have the same calendar, in the Gregorian calendar.

n	a(n)
1	5
2	7
3	33
4	35
5	61
6	63
7	89
8	91
9	117
10	131
11	145
12	159
13	173
14	187
15	213
16	227
17	241
18	255
19	269
20	283
21	309
22	311
23	337
24	339
25	365
26	367
27	393
28	395
29	405
30	407
31	433
32	435
33	461
34	463
35	489
36	491
37	517
38	531
39	545
40	559
41	573
42	587
43	613
44	627
45	641
46	655
47	669
48	683
49	709
50	711
51	737
52	739
53	765
54	767
55	793
56	795

[5, 7, 33, 35, 61, 63, 89, 91, 117, 131, 145, 159, 173, 187, 213, 227, 241, 255, 269, 283, 309, 311, 337, 339, 365, 367, 393, 395, 405, 407, 433, 435, 461, 463, 489, 491, 517, 531, 545, 559, 573, 587, 613, 627, 641, 655, 669, 683, 709, 711, 737, 739, 765, 767, 793, 795]

cp's OEIS Frontend

A230997 Number of years after which it is possible to have a date falling on same day of the week, but the entire year does not have the same calendar, in the Gregorian calendar.

Table of values

List of values

n	a(n)
1	5
2	7
3	33
4	35
5	61
6	63
7	89
8	91
9	117
10	131
11	145
12	159
13	173
14	187
15	213
16	227
17	241
18	255
19	269
20	283
21	309
22	311
23	337
24	339
25	365
26	367
27	393
28	395
29	405
30	407
31	433
32	435
33	461
34	463
35	489
36	491
37	517
38	531
39	545
40	559
41	573
42	587
43	613
44	627
45	641
46	655
47	669
48	683
49	709
50	711
51	737
52	739
53	765
54	767
55	793
56	795

n	a(n)
1	5
2	7
3	33
4	35
5	61
6	63
7	89
8	91
9	117
10	131
11	145
12	159
13	173
14	187
15	213
16	227
17	241
18	255
19	269
20	283
21	309
22	311
23	337
24	339
25	365
26	367
27	393
28	395
29	405
30	407
31	433
32	435
33	461
34	463
35	489
36	491
37	517
38	531
39	545
40	559
41	573
42	587
43	613
44	627
45	641
46	655
47	669
48	683
49	709
50	711
51	737
52	739
53	765
54	767
55	793
56	795

n	a(n)
1	5
2	7
3	33
4	35
5	61
6	63
7	89
8	91
9	117
10	131
11	145
12	159
13	173
14	187
15	213
16	227
17	241
18	255
19	269
20	283
21	309
22	311
23	337
24	339
25	365
26	367
27	393
28	395
29	405
30	407
31	433
32	435
33	461
34	463
35	489
36	491
37	517
38	531
39	545
40	559
41	573
42	587
43	613
44	627
45	641
46	655
47	669
48	683
49	709
50	711
51	737
52	739
53	765
54	767
55	793
56	795