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A290037 as a simple table

n a(n)
16 2027025
17 126351225
18 4307428125
19 106546244805
20 2141473308975
21 37150564425975
22 577265949054795
23 8235084928545475
24 109751266389634870
25 1384084804861708950
26 16677998006092973550
27 193476119789167365150
28 2173729827868142994450
29 23766456155164279406850

[2027025,126351225,4307428125,106546244805,
 2141473308975,37150564425975,577265949054795,
 8235084928545475,109751266389634870,
 1384084804861708950,16677998006092973550,
 193476119789167365150,2173729827868142994450,
 23766456155164279406850]

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Last modified December 1 22:12 EST 2021. Contains 349435 sequences. (Running on oeis4.)