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A143646 as a simple table

na(n)
00
11
24
318
483
5387
61815
78541
840276
9190182
10898844
114250780
1220111394
1395181166
14450565602
152133227418
1610101126723
1747834649675
18226540406571
191072931019393
205081776592061
2124069823974879
22114009427284309

[0,1,4,18,83,387,1815,8541,40276,190182,898844,
 4250780,20111394,95181166,450565602,2133227418,
 10101126723,47834649675,226540406571,
 1072931019393,5081776592061,24069823974879,
 114009427284309]