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A149086 as a simple table

na(n)
01
11
24
37
430
569
6305
7821
83706
910951
1050167
11157879
12731126
132409735
1411251900
1538416059
16180553280
17633903339
182995076713
1910757081251
2051047312394
21186835993771
22889875336356
233309417001979
2415811570006020
2559613630920579
26285586423605813
271089612947988583
285232179206138834

[1,1,4,7,30,69,305,821,3706,10951,50167,157879,
 731126,2409735,11251900,38416059,180553280,
 633903339,2995076713,10757081251,51047312394,
 186835993771,889875336356,3309417001979,
 15811570006020,59613630920579,285586423605813,
 1089612947988583,5232179206138834]