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A149195 as a simple table

na(n)
01
11
24
310
438
5127
6494
71804
87250
927768
10113603
11448933
121858458
137499923
1431317733
15128292015
16539273259
172233843666
189439572100
1939437413808
20167371595700
21703994615004
222998532854976
2312681319659582
2454179682762863
25230166423231860
26985971775884988
274204379913759209

[1,1,4,10,38,127,494,1804,7250,27768,113603,
 448933,1858458,7499923,31317733,128292015,
 539273259,2233843666,9439572100,39437413808,
 167371595700,703994615004,2998532854976,
 12681319659582,54179682762863,230166423231860,
 985971775884988,4204379913759209]