A247862 - OEIS

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A247862 as a simple table

n	a(n)
1	3
2	5
3	67
4	395407
5	703903
6	753583
7	874373
8	1280417
9	1386977
10	2920543
11	3459487
12	3697927
13	3905527
14	4384543
15	4524427
16	5630503
17	6289343
18	6379517
19	7882873
20	8599993
21	8805653

[3,5,67,395407,703903,753583,874373,1280417, 1386977,2920543,3459487,3697927,3905527,4384543, 4524427,5630503,6289343,6379517,7882873,8599993, 8805653]