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A174122 as a simple table

na(n)
01
12
25
318
4105
5946
612589
7240482
86526289
9250119330
1013512676053
111027978959346
12110155994874553
1316631509898085074
143540687511804739837
151063409634646294541250
16450894476653951603096737

[1,2,5,18,105,946,12589,240482,6526289,250119330,
 13512676053,1027978959346,110155994874553,
 16631509898085074,3540687511804739837,
 1063409634646294541250,450894476653951603096737]