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A250763 as a simple table

na(n)
19
234
3114
4350
5996
62666
76810
816798
940368
1095114
11220710
12505982
131148556
142585674
155779890
1612840638
1728371816
1862384042

[9,34,114,350,996,2666,6810,16798,40368,95114,
 220710,505982,1148556,2585674,5779890,12840638,
 28371816,62384042]