A080293 - OEIS

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A080293 as a simple table

n	a(n)
0	2
1	50
2	14642
3	3969842
4	267572689202
5	69427226972978
6	4581045692538239282
7	301220569271221714981682
8	1295918094920364850246919050705202
9	332029112115571675270693117549056818

[2,50,14642,3969842,267572689202,69427226972978, 4581045692538239282,301220569271221714981682, 1295918094920364850246919050705202, 332029112115571675270693117549056818]