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A171776 as a simple table

na(n)
01
11
25
3141
425161
525295385
6129002055885
73167498196303525
8363195624958803434385
9190409085693362565632615985
10449225585595812339036501379506325

[1,1,5,141,25161,25295385,129002055885,
 3167498196303525,363195624958803434385,
 190409085693362565632615985,
 449225585595812339036501379506325]