A259512 - OEIS

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A259512 as a simple table

n	a(n)
1	689
2	9227
3	126045
4	1769635
5	25009044
6	355119489
7	5050441910
8	71892362811
9	1023722858631
10	14580213573278
11	207670950496698
12	2958047253018009
13	42134766083598488
14	600177800077956164
15	8549101075136347880

[689,9227,126045,1769635,25009044,355119489, 5050441910,71892362811,1023722858631, 14580213573278,207670950496698,2958047253018009, 42134766083598488,600177800077956164, 8549101075136347880]

[689,9227,126045,1769635,25009044,355119489,
 5050441910,71892362811,1023722858631,
 14580213573278,207670950496698,2958047253018009,
 42134766083598488,600177800077956164,
 8549101075136347880]