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A143558 as a simple table

na(n)
01
11
210
350
4570
54450
656202
7501970
86676410
963799490
10875391370
118715058802
12122088479930
131249437863970
1417764858122250
15185445650940690
162666213981716282
1728252030821781890
18409717783914784010

[1,1,10,50,570,4450,56202,501970,6676410,63799490,
 875391370,8715058802,122088479930,1249437863970,
 17764858122250,185445650940690,2666213981716282,
 28252030821781890,409717783914784010]