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A200460 as a simple table

na(n)
122
25478
3103726
4820650
54062384
614923636
744716536
8115516220
9266427776
10562116652
111103746930
122042412926
133596047852
146069519806
159877920686
1615574753386
1723883962076
1835735712652
1952308828350
2075077488038

[22,5478,103726,820650,4062384,14923636,44716536,
 115516220,266427776,562116652,1103746930,
 2042412926,3596047852,6069519806,9877920686,
 15574753386,23883962076,35735712652,52308828350,
 75077488038]