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A177777 as a simple table

na(n)
11
22
312
4152
53640
6160224
713063792
82012388736
9596666619648
10344964885948160
11392058233038486784
12880255154481199466496
133916538634445633156373504
1434603083354426212294072477696

[1,2,12,152,3640,160224,13063792,2012388736,
 596666619648,344964885948160,392058233038486784,
 880255154481199466496,3916538634445633156373504,
 34603083354426212294072477696]