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A291218 as a simple table

na(n)
00
10
20
30
41
50
65
70
815
91
1035
1110
1270
1355
14127
15220
16225
17715
18450
192003
201175
215025
223775
2311650
2412630
2525850
2640150
2757475
28118425
29134883
30325075
31345090
32840725
33952195
342083888
352722455
365056055
377765010
3812293890
3921615771
4030591685
4158293475

[0,0,0,0,1,0,5,0,15,1,35,10,70,55,127,220,225,715,
 450,2003,1175,5025,3775,11650,12630,25850,40150,
 57475,118425,134883,325075,345090,840725,952195,
 2083888,2722455,5056055,7765010,12293890,21615771,
 30591685,58293475]