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A149303 as a simple table

na(n)
01
11
24
311
446
5174
6740
73109
813614
959878
10268728
111214032
125546558
1325498422
14118054700
15549367029
162569472992
1712066493332
1856883907318
19269035738044
201276275732442
216070582701920
2228945492531456
23138319277521604
24662316708110916
253177211680848070
2615267484859916084
2773479492803233664

[1,1,4,11,46,174,740,3109,13614,59878,268728,
 1214032,5546558,25498422,118054700,549367029,
 2569472992,12066493332,56883907318,269035738044,
 1276275732442,6070582701920,28945492531456,
 138319277521604,662316708110916,3177211680848070,
 15267484859916084,73479492803233664]