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A015474 as a simple table

na(n)
00
11
23
328
4759
561507
614946960
710896395347
823830431570849
9156351472432735636
103077466055723967094237
11181721293280796005380336249
1232191381943890636020834392595840
1317107820211824904790829046440906141689

[0,1,3,28,759,61507,14946960,10896395347,
 23830431570849,156351472432735636,
 3077466055723967094237,
 181721293280796005380336249,
 32191381943890636020834392595840,
 17107820211824904790829046440906141689]