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A252472 as a simple table

na(n)
117061
224331
3213791
41741406
514105131
6115183323
7937980722
87634089567
962282795777
10507708323820
114135550418695
1233696297343259
13274629581667470
142238121992115275
1518238035152919778
16148617809035821934

[17061,24331,213791,1741406,14105131,115183323,
 937980722,7634089567,62282795777,507708323820,
 4135550418695,33696297343259,274629581667470,
 2238121992115275,18238035152919778,
 148617809035821934]