A013585 - cp's OEIS frontend

A013585 Smallest m such that 1!+...+m! is divisible by 2n+1, or 0 if no such m exists.

n	a(n)
0	1
1	2
2	0
3	0
4	3
5	4
6	0
7	0
8	5
9	0
10	0
11	12
12	0
13	7
14	19
15	0
16	4
17	0
18	24
19	0
20	32
21	19
22	0
23	0
24	0
25	5
26	20
27	0
28	0
29	0
30	0
31	0
32	0
33	20
34	12
35	0
36	7
37	0
38	0
39	57
40	7
41	0
42	0
43	19
44	0
45	0
46	0
47	0
48	6
49	8
50	83
51	0
52	0
53	15
54	33
55	24
56	0
57	0
58	0
59	0
60	12
61	32
62	0
63	38
64	19
65	9
66	0
67	0
68	0
69	23
70	0
71	0
72	0
73	0
74	70
75	71
76	5
77	0
78	57
79	20
80	0
81	17
82	0
83	0
84	0
85	0
86	26
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	28

[1, 2, 0, 0, 3, 4, 0, 0, 5, 0, 0, 12, 0, 7, 19, 0, 4, 0, 24, 0, 32, 19, 0, 0, 0, 5, 20, 0, 0, 0, 0, 0, 0, 20, 12, 0, 7, 0, 0, 57, 7, 0, 0, 19, 0, 0, 0, 0, 6, 8, 83, 0, 0, 15, 33, 24, 0, 0, 0, 0, 12, 32, 0, 38, 19, 9, 0, 0, 0, 23, 0, 0, 0, 0, 70, 71, 5, 0, 57, 20, 0, 17, 0, 0, 0, 0, 26, 0, 0, 0, 0, 0, 0, 0, 0, 28]

cp's OEIS Frontend

A013585 Smallest m such that 1!+...+m! is divisible by 2n+1, or 0 if no such m exists.

Table of values

List of values

n	a(n)
0	1
1	2
2	0
3	0
4	3
5	4
6	0
7	0
8	5
9	0
10	0
11	12
12	0
13	7
14	19
15	0
16	4
17	0
18	24
19	0
20	32
21	19
22	0
23	0
24	0
25	5
26	20
27	0
28	0
29	0
30	0
31	0
32	0
33	20
34	12
35	0
36	7
37	0
38	0
39	57
40	7
41	0
42	0
43	19
44	0
45	0
46	0
47	0
48	6
49	8
50	83
51	0
52	0
53	15
54	33
55	24
56	0
57	0
58	0
59	0
60	12
61	32
62	0
63	38
64	19
65	9
66	0
67	0
68	0
69	23
70	0
71	0
72	0
73	0
74	70
75	71
76	5
77	0
78	57
79	20
80	0
81	17
82	0
83	0
84	0
85	0
86	26
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	28

n	a(n)
0	1
1	2
2	0
3	0
4	3
5	4
6	0
7	0
8	5
9	0
10	0
11	12
12	0
13	7
14	19
15	0
16	4
17	0
18	24
19	0
20	32
21	19
22	0
23	0
24	0
25	5
26	20
27	0
28	0
29	0
30	0
31	0
32	0
33	20
34	12
35	0
36	7
37	0
38	0
39	57
40	7
41	0
42	0
43	19
44	0
45	0
46	0
47	0
48	6
49	8
50	83
51	0
52	0
53	15
54	33
55	24
56	0
57	0
58	0
59	0
60	12
61	32
62	0
63	38
64	19
65	9
66	0
67	0
68	0
69	23
70	0
71	0
72	0
73	0
74	70
75	71
76	5
77	0
78	57
79	20
80	0
81	17
82	0
83	0
84	0
85	0
86	26
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	28

n	a(n)
0	1
1	2
2	0
3	0
4	3
5	4
6	0
7	0
8	5
9	0
10	0
11	12
12	0
13	7
14	19
15	0
16	4
17	0
18	24
19	0
20	32
21	19
22	0
23	0
24	0
25	5
26	20
27	0
28	0
29	0
30	0
31	0
32	0
33	20
34	12
35	0
36	7
37	0
38	0
39	57
40	7
41	0
42	0
43	19
44	0
45	0
46	0
47	0
48	6
49	8
50	83
51	0
52	0
53	15
54	33
55	24
56	0
57	0
58	0
59	0
60	12
61	32
62	0
63	38
64	19
65	9
66	0
67	0
68	0
69	23
70	0
71	0
72	0
73	0
74	70
75	71
76	5
77	0
78	57
79	20
80	0
81	17
82	0
83	0
84	0
85	0
86	26
87	0
88	0
89	0
90	0
91	0
92	0
93	0
94	0
95	28