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A243699 as a simple table

na(n)
01
11
27
390
41679
540977
61234002
744162294
81829650545
986075951647
104530650659261
11263702502327536
1216811827814422092
131164790943838593160
1487124861733813622130
156995992413536990011830
16600147439879762402873285
1754768109160914827946501375
185297131818511043862499262665

[1,1,7,90,1679,40977,1234002,44162294,1829650545,
 86075951647,4530650659261,263702502327536,
 16811827814422092,1164790943838593160,
 87124861733813622130,6995992413536990011830,
 600147439879762402873285,
 54768109160914827946501375,
 5297131818511043862499262665]