A139157 - OEIS

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A139157 as a simple table

n	a(n)
5	13
6	73
7	505
8	4033
9	36289
10	362881
11	3991681
12	47900161
13	622702081
14	8717829121
15	130767436801
16	2092278988801
17	35568742809601
18	640237370572801
19	12164510040883201
20	243290200817664001
21	5109094217170944001

[13,73,505,4033,36289,362881,3991681,47900161, 622702081,8717829121,130767436801,2092278988801, 35568742809601,640237370572801,12164510040883201, 243290200817664001,5109094217170944001]

[13,73,505,4033,36289,362881,3991681,47900161,
 622702081,8717829121,130767436801,2092278988801,
 35568742809601,640237370572801,12164510040883201,
 243290200817664001,5109094217170944001]