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A255520 as a simple table

na(n)
00
11
28
392
41304
520198
6332520
75703724
8100847976
91824927697
1033634879304
11629201396744
1211915930584384
13228010216559592
144401559021963488
1585616787777724400
161676436841812675760
1733017479163392717192
18653643628799220208104
1912999812350464606307796

[0,1,8,92,1304,20198,332520,5703724,100847976,
 1824927697,33634879304,629201396744,
 11915930584384,228010216559592,4401559021963488,
 85616787777724400,1676436841812675760,
 33017479163392717192,653643628799220208104,
 12999812350464606307796]