A098012 - OEIS

A098012 as a simple table

n	a(n)
1	2
2	3
3	6
4	5
5	15
6	30
7	7
8	35
9	105
10	210
11	11
12	77
13	385
14	1155
15	2310
16	13
17	143
18	1001
19	5005
20	15015
21	30030
22	17
23	221
24	2431
25	17017
26	85085
27	255255
28	510510
29	19
30	323
31	4199
32	46189
33	323323
34	1616615
35	4849845
36	9699690
37	23
38	437
39	7429
40	96577
41	1062347
42	7436429
43	37182145
44	111546435
45	223092870

[2,3,6,5,15,30,7,35,105,210,11,77,385,1155,2310, 13,143,1001,5005,15015,30030,17,221,2431,17017, 85085,255255,510510,19,323,4199,46189,323323, 1616615,4849845,9699690,23,437,7429,96577,1062347, 7436429,37182145,111546435,223092870]