A086667 - OEIS

A086667 as a simple table

n	a(n)
1	3
2	3
3	31
4	4
5	31
6	314
7	4
8	41
9	314
10	3141
11	5
12	41
13	415
14	3141
15	31415
16	9
17	59
18	415
19	4159
20	31415
21	314159
22	9
23	92
24	592
25	4159
26	41592
27	314159
28	3141592
29	9
30	92
31	926
32	5926
33	41592
34	415926
35	3141592
36	31415926
37	9
38	92
39	926
40	9265
41	59265
42	415926
43	4159265
44	31415926

[3,3,31,4,31,314,4,41,314,3141,5,41,415,3141, 31415,9,59,415,4159,31415,314159,9,92,592,4159, 41592,314159,3141592,9,92,926,5926,41592,415926, 3141592,31415926,9,92,926,9265,59265,415926, 4159265,31415926]