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A220227 as a simple table

na(n)
11
26
318
451
5157
6477
71445
84384
913297
1040332
11122339
12371085
131125588
143414184
1510356065
1631412486
1795281776
18289013030
19876647491
202659087097
218065664119
2224465139829
2374208776604
24225093441705
25682763681270
262070989900565

[1,6,18,51,157,477,1445,4384,13297,40332,122339,
 371085,1125588,3414184,10356065,31412486,95281776,
 289013030,876647491,2659087097,8065664119,
 24465139829,74208776604,225093441705,682763681270,
 2070989900565]