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A015818 as a simple table

na(n)
01
10
20
32
42
50
60
72
82
90
100
1110
1214
130
140
1536
1640
170
180
19134
20258
210
220
23702
241040
250
260
274170
285996
290
300
3123642
3236616
330
340
35140500
36217002
370
380
39852132
401374692
410
420
435411800
448852230
450
460
4735764246
4856370054
490
500
51232969442
52376479130
530
540
551555855594
562534308444

[1,0,0,2,2,0,0,2,2,0,0,10,14,0,0,36,40,0,0,134,
 258,0,0,702,1040,0,0,4170,5996,0,0,23642,36616,0,
 0,140500,217002,0,0,852132,1374692,0,0,5411800,
 8852230,0,0,35764246,56370054,0,0,232969442,
 376479130,0,0,1555855594,2534308444]