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A266136 as a simple table

na(n)
11
2544
39083
419750
5326145
613689944
7325554385
83901509248
974115297377
102013995093008
1145630856227503
12832426433462416

[1,544,9083,19750,326145,13689944,325554385,
 3901509248,74115297377,2013995093008,
 45630856227503,832426433462416]