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A301927 as a simple table

na(n)
01
12
24
39
424
577
6294
71296
86403
934644
10201932
111253513
128219110
1356578239
14406990651
153048202700
1623700070773
17190830842843
181588016365186
1913633603416558
20120574656241999
211097006289005674
2210255338612462641
2398403208150304070
24968186766428157206
259759036265967791137
26100690787844977985900
271062601625749170026894
2811461320511629994319890

[1,2,4,9,24,77,294,1296,6403,34644,201932,1253513,
 8219110,56578239,406990651,3048202700,23700070773,
 190830842843,1588016365186,13633603416558,
 120574656241999,1097006289005674,
 10255338612462641,98403208150304070,
 968186766428157206,9759036265967791137,
 100690787844977985900,1062601625749170026894,
 11461320511629994319890]