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A001883 as a simple table

na(n)
01
10
20
30
41
54
629
7206
81708
915702
10159737
111780696
1221599745
13283294740
143995630216
1560312696452
16970234088153
1716571597074140
18299518677455165
195711583170669554
20114601867572247060
212413623459384988298
2253238503492701261201
231227382998752177970288
2429520591675204638641249

[1,0,0,0,1,4,29,206,1708,15702,159737,1780696,
 21599745,283294740,3995630216,60312696452,
 970234088153,16571597074140,299518677455165,
 5711583170669554,114601867572247060,
 2413623459384988298,53238503492701261201,
 1227382998752177970288,29520591675204638641249]