A205562 - cp's OEIS frontend

A205562 Least positive integer j such that n divides (2k)!-(2j)!, where k, as in A205561, is the least number for which there is such a j.

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	2
7	4
8	2
9	3
10	3
11	1
12	2
13	7
14	4
15	3
16	3
17	9
18	3
19	1
20	3
21	4
22	1
23	2
24	2
25	3
26	7
27	5
28	4
29	2
30	3
31	1
32	4
33	3
34	9
35	4
36	3
37	19
38	1
39	7
40	3
41	4
42	4
43	1
44	3
45	3
46	2
47	2
48	3
49	4
50	3
51	9
52	7
53	1
54	5
55	3
56	4
57	5
58	2
59	12
60	3
61	4
62	1
63	4
64	4
65	7
66	3
67	1
68	9
69	2
70	4
71	2
72	3
73	2
74	19
75	3
76	5
77	6
78	7
79	2
80	3
81	5
82	4
83	12
84	4
85	9
86	1
87	2
88	3
89	4
90	3
91	7
92	2
93	6
94	2
95	5
96	4
97	1

[1, 1, 2, 2, 3, 2, 4, 2, 3, 3, 1, 2, 7, 4, 3, 3, 9, 3, 1, 3, 4, 1, 2, 2, 3, 7, 5, 4, 2, 3, 1, 4, 3, 9, 4, 3, 19, 1, 7, 3, 4, 4, 1, 3, 3, 2, 2, 3, 4, 3, 9, 7, 1, 5, 3, 4, 5, 2, 12, 3, 4, 1, 4, 4, 7, 3, 1, 9, 2, 4, 2, 3, 2, 19, 3, 5, 6, 7, 2, 3, 5, 4, 12, 4, 9, 1, 2, 3, 4, 3, 7, 2, 6, 2, 5, 4, 1]

cp's OEIS Frontend

A205562 Least positive integer j such that n divides (2k)!-(2j)!, where k, as in A205561, is the least number for which there is such a j.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	2
7	4
8	2
9	3
10	3
11	1
12	2
13	7
14	4
15	3
16	3
17	9
18	3
19	1
20	3
21	4
22	1
23	2
24	2
25	3
26	7
27	5
28	4
29	2
30	3
31	1
32	4
33	3
34	9
35	4
36	3
37	19
38	1
39	7
40	3
41	4
42	4
43	1
44	3
45	3
46	2
47	2
48	3
49	4
50	3
51	9
52	7
53	1
54	5
55	3
56	4
57	5
58	2
59	12
60	3
61	4
62	1
63	4
64	4
65	7
66	3
67	1
68	9
69	2
70	4
71	2
72	3
73	2
74	19
75	3
76	5
77	6
78	7
79	2
80	3
81	5
82	4
83	12
84	4
85	9
86	1
87	2
88	3
89	4
90	3
91	7
92	2
93	6
94	2
95	5
96	4
97	1

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	2
7	4
8	2
9	3
10	3
11	1
12	2
13	7
14	4
15	3
16	3
17	9
18	3
19	1
20	3
21	4
22	1
23	2
24	2
25	3
26	7
27	5
28	4
29	2
30	3
31	1
32	4
33	3
34	9
35	4
36	3
37	19
38	1
39	7
40	3
41	4
42	4
43	1
44	3
45	3
46	2
47	2
48	3
49	4
50	3
51	9
52	7
53	1
54	5
55	3
56	4
57	5
58	2
59	12
60	3
61	4
62	1
63	4
64	4
65	7
66	3
67	1
68	9
69	2
70	4
71	2
72	3
73	2
74	19
75	3
76	5
77	6
78	7
79	2
80	3
81	5
82	4
83	12
84	4
85	9
86	1
87	2
88	3
89	4
90	3
91	7
92	2
93	6
94	2
95	5
96	4
97	1

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	2
7	4
8	2
9	3
10	3
11	1
12	2
13	7
14	4
15	3
16	3
17	9
18	3
19	1
20	3
21	4
22	1
23	2
24	2
25	3
26	7
27	5
28	4
29	2
30	3
31	1
32	4
33	3
34	9
35	4
36	3
37	19
38	1
39	7
40	3
41	4
42	4
43	1
44	3
45	3
46	2
47	2
48	3
49	4
50	3
51	9
52	7
53	1
54	5
55	3
56	4
57	5
58	2
59	12
60	3
61	4
62	1
63	4
64	4
65	7
66	3
67	1
68	9
69	2
70	4
71	2
72	3
73	2
74	19
75	3
76	5
77	6
78	7
79	2
80	3
81	5
82	4
83	12
84	4
85	9
86	1
87	2
88	3
89	4
90	3
91	7
92	2
93	6
94	2
95	5
96	4
97	1