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A254198 as a simple table

na(n)
12
21
32
46
511
627
753
8133
9310
10691
111722
124898
1313169
1431188
1568247
16151695
17355719
18880650
192386625
207052660
2120845775
2257431942
23145661869
24346176887
25792710311
261828054653
274509979089
2812381748520
2937284100779
30117101693844
31362950924700

[2,1,2,6,11,27,53,133,310,691,1722,4898,13169,
 31188,68247,151695,355719,880650,2386625,7052660,
 20845775,57431942,145661869,346176887,792710311,
 1828054653,4509979089,12381748520,37284100779,
 117101693844,362950924700]