A205390 - cp's OEIS frontend

A205390 s(k)-s(j), where (k,j) is the least pair for which n divides s(k)-s(j), and s(j)=(1/2)C(2j,j).

n	a(n)
1	2
2	2
3	9
4	32
5	25
6	336
7	7
8	32
9	9
10	1590
11	1254
12	336
13	91
14	336
15	1590
16	32
17	34
18	24300
19	1254
20	6400
21	336
22	1254
23	92368
24	336
25	25
26	22594
27	459
28	336
29	116
30	1590
31	260338
32	32
33	1254
34	34
35	1715
36	24300
37	24309
38	1254
39	4719
40	6400
41	123
42	336
43	57500460
44	23848
45	24300

[2, 2, 9, 32, 25, 336, 7, 32, 9, 1590, 1254, 336, 91, 336, 1590, 32, 34, 24300, 1254, 6400, 336, 1254, 92368, 336, 25, 22594, 459, 336, 116, 1590, 260338, 32, 1254, 34, 1715, 24300, 24309, 1254, 4719, 6400, 123, 336, 57500460, 23848, 24300]

cp's OEIS Frontend

A205390 s(k)-s(j), where (k,j) is the least pair for which n divides s(k)-s(j), and s(j)=(1/2)C(2j,j).

Table of values

List of values