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A035781 as a simple table

na(n)
01
13872
22501312
3648339296
490488748416
57914446636448
6476256430985280
721013302552438240
8712041389847515904
919196735036095030304
10423435066223344657856
117816588576688121767008
12123043979986038246517888

[1,3872,2501312,648339296,90488748416,
 7914446636448,476256430985280,21013302552438240,
 712041389847515904,19196735036095030304,
 423435066223344657856,7816588576688121767008,
 123043979986038246517888]