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A223906 as a simple table

na(n)
117
251
3161
4531
51817
66411
723201
885731
9322217
101227771
114729841
1218379731
1371908217
14282817131
151116854081
164424238531
1717567551817
1869882262491
19278365739921
201109974078131
214429431765017
2217686337611851
2370651190491361
24282322298874531

[17,51,161,531,1817,6411,23201,85731,322217,
 1227771,4729841,18379731,71908217,282817131,
 1116854081,4424238531,17567551817,69882262491,
 278365739921,1109974078131,4429431765017,
 17686337611851,70651190491361,282322298874531]