A373469 - cp's OEIS frontend

A373469 Least odd k such that C(2k, k) == 1 (mod A007775(n)), or 0 if no such k exists.

n	a(n)
1	1
2	17
3	13
4	2383
5	37
6	3
7	3391
8	185
9	129
10	419
11	95
12	139
13	7
14	7373
15	497
16	21
17	89
18	27
19	319
20	7
21	23
22	191
23	277
24	25
25	33635
26	137
27	1957
28	347
29	879
30	889
31	47
32	57
33	411
34	263
35	63
36	57
37	63
38	143
39	62561
40	363
41	1679
42	861
43	285735
44	1017
45	545
46	2605
47	913
48	1873
49	735
50	206349
51	817
52	407
53	485
54	49
55	7605
56	179817

[1, 17, 13, 2383, 37, 3, 3391, 185, 129, 419, 95, 139, 7, 7373, 497, 21, 89, 27, 319, 7, 23, 191, 277, 25, 33635, 137, 1957, 347, 879, 889, 47, 57, 411, 263, 63, 57, 63, 143, 62561, 363, 1679, 861, 285735, 1017, 545, 2605, 913, 1873, 735, 206349, 817, 407, 485, 49, 7605, 179817]

cp's OEIS Frontend

A373469 Least odd k such that C(2k, k) == 1 (mod A007775(n)), or 0 if no such k exists.

Table of values

List of values