A277811 - OEIS

A277811 as a simple table

n	a(n)
1	2
2	3
3	30
4	5
5	70
6	105
7	42
8	7
9	154
10	231
11	2310
12	385
13	110
14	165
15	66
16	11
17	286
18	429
19	4290
20	715
21	10010
22	15015
23	6006
24	1001
25	182
26	273
27	2730
28	455
29	130
30	195
31	78
32	13
33	442
34	663
35	6630
36	1105
37	15470
38	23205
39	9282
40	1547
41	34034
42	51051
43	510510
44	85085
45	24310
46	36465
47	14586
48	2431
49	374
50	561
51	5610
52	935
53	13090
54	19635
55	7854
56	1309
57	238
58	357
59	3570
60	595
61	170
62	255
63	102
64	17

[2,3,30,5,70,105,42,7,154,231,2310,385,110,165,66, 11,286,429,4290,715,10010,15015,6006,1001,182,273, 2730,455,130,195,78,13,442,663,6630,1105,15470, 23205,9282,1547,34034,51051,510510,85085,24310, 36465,14586,2431,374,561,5610,935,13090,19635, 7854,1309,238,357,3570,595,170,255,102,17]