A048618 - cp's OEIS frontend

A048618 Even numbers n such that binomial(n,n/2) is divisible by n/2.

n	a(n)
1	2
2	4
3	12
4	30
5	40
6	56
7	84
8	90
9	132
10	154
11	176
12	182
13	208
14	220
15	252
16	280
17	306
18	312
19	340
20	374
21	380
22	408
23	418
24	420
25	440
26	456
27	462
28	476
29	480
30	532
31	552
32	598
33	616
34	624
35	630
36	644
37	650
38	660
39	690
40	736
41	756
42	828
43	840
44	858
45	870
46	880
47	884
48	900
49	918
50	920
51	928
52	936
53	952
54	966

[2, 4, 12, 30, 40, 56, 84, 90, 132, 154, 176, 182, 208, 220, 252, 280, 306, 312, 340, 374, 380, 408, 418, 420, 440, 456, 462, 476, 480, 532, 552, 598, 616, 624, 630, 644, 650, 660, 690, 736, 756, 828, 840, 858, 870, 880, 884, 900, 918, 920, 928, 936, 952, 966]

cp's OEIS Frontend

A048618 Even numbers n such that binomial(n,n/2) is divisible by n/2.

Table of values

List of values

n	a(n)
1	2
2	4
3	12
4	30
5	40
6	56
7	84
8	90
9	132
10	154
11	176
12	182
13	208
14	220
15	252
16	280
17	306
18	312
19	340
20	374
21	380
22	408
23	418
24	420
25	440
26	456
27	462
28	476
29	480
30	532
31	552
32	598
33	616
34	624
35	630
36	644
37	650
38	660
39	690
40	736
41	756
42	828
43	840
44	858
45	870
46	880
47	884
48	900
49	918
50	920
51	928
52	936
53	952
54	966

n	a(n)
1	2
2	4
3	12
4	30
5	40
6	56
7	84
8	90
9	132
10	154
11	176
12	182
13	208
14	220
15	252
16	280
17	306
18	312
19	340
20	374
21	380
22	408
23	418
24	420
25	440
26	456
27	462
28	476
29	480
30	532
31	552
32	598
33	616
34	624
35	630
36	644
37	650
38	660
39	690
40	736
41	756
42	828
43	840
44	858
45	870
46	880
47	884
48	900
49	918
50	920
51	928
52	936
53	952
54	966

n	a(n)
1	2
2	4
3	12
4	30
5	40
6	56
7	84
8	90
9	132
10	154
11	176
12	182
13	208
14	220
15	252
16	280
17	306
18	312
19	340
20	374
21	380
22	408
23	418
24	420
25	440
26	456
27	462
28	476
29	480
30	532
31	552
32	598
33	616
34	624
35	630
36	644
37	650
38	660
39	690
40	736
41	756
42	828
43	840
44	858
45	870
46	880
47	884
48	900
49	918
50	920
51	928
52	936
53	952
54	966