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A146219 as a simple table

na(n)
11
21
31
41
53
69
720
863
9272
101557
1110412
1277761
13729051
148641753
15126757272
162289847876
1750015283552
181327280079169
1943398915228962
201753679030593542
2187293853894564783
225311141506545315135
23394710940436034575590

[1,1,1,1,3,9,20,63,272,1557,10412,77761,729051,
 8641753,126757272,2289847876,50015283552,
 1327280079169,43398915228962,1753679030593542,
 87293853894564783,5311141506545315135,
 394710940436034575590]