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A227249 as a simple table

na(n)
11
24
36
421
580
64151
76982
8269563
9779693
10834365
1116176645
1219770092
1341049539
14228612936
151950787140
162404785364
173095996836
185236785750

[1,4,6,21,80,4151,6982,269563,779693,834365,
 16176645,19770092,41049539,228612936,1950787140,
 2404785364,3095996836,5236785750]