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A168602 as a simple table

na(n)
01
11
24
329
4348
57078
6257400
717567085
82321150956
9603642816242
10311497277686152
11320223587003352866
12657101019781977963480
132694116441965648648689708
1422080982977564915182409980400

[1,1,4,29,348,7078,257400,17567085,2321150956,
 603642816242,311497277686152,320223587003352866,
 657101019781977963480,2694116441965648648689708,
 22080982977564915182409980400]