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A262117 as a simple table

na(n)
15
25
323
447
5133
6369
71206
83427
911146
1037720
11122198
12411529
131414251
144916092

[5,5,23,47,133,369,1206,3427,11146,37720,122198,
 411529,1414251,4916092]