A197198 - OEIS

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A197198 as a simple table

n	a(n)
1	13
2	178
3	1801
4	21803
5	247053
6	2873141
7	33176391
8	383262156
9	4432780869
10	51234398070
11	592247668688
12	6846309893866
13	79142347014020
14	914861421385891
15	10575600998801299
16	122251698517890245
17	1413202926345456663

[13,178,1801,21803,247053,2873141,33176391, 383262156,4432780869,51234398070,592247668688, 6846309893866,79142347014020,914861421385891, 10575600998801299,122251698517890245, 1413202926345456663]