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A185143 as a simple table

na(n)
00
10
20
30
40
51
61
72
85
916
1058
11264
121535
1310755
1487973
15803973
168020967
1786029760
18983431053
1911913921910
20152352965278
212050065073002
2228951233955602
23428086557232387

[0,0,0,0,0,1,1,2,5,16,58,264,1535,10755,87973,
 803973,8020967,86029760,983431053,11913921910,
 152352965278,2050065073002,28951233955602,
 428086557232387]