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A135799 as a simple table

na(n)
01
10
20
34
45
548
6252
71832
814625
9132080
101323168
1114576076
12175108661
132278429216
1431920719820
15479088848976
167669098865441
17130426934203296
182348478878321248
1944633950190867220
20892899715052136645

[1,0,0,4,5,48,252,1832,14625,132080,1323168,
 14576076,175108661,2278429216,31920719820,
 479088848976,7669098865441,130426934203296,
 2348478878321248,44633950190867220,
 892899715052136645]