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A016318 as a simple table

n a(n)
0 1
1 21
2 315
3 4145
4 51051
5 605241
6 7007155
7 79874865
8 900993051
9 10089880361
10 112420339395
11 1248076978785
12 13820472734251
13 152758207825881
14 1686204348094035
15 18595160325141905
16 204922063545486651

[1,21,315,4145,51051,605241,7007155,79874865,
 900993051,10089880361,112420339395,1248076978785,
 13820472734251,152758207825881,1686204348094035,
 18595160325141905,204922063545486651]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)