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A019618 as a simple table

n a(n)
0 1
1 21
2 303
3 3745
4 42711
5 464961
6 4918663
7 51086385
8 524227671
9 5336085601
10 54018566823
11 544793838225
12 5480212349431
13 55028108373441
14 551863246323783
15 5529708675105265
16 55374624529091991
17 554289026917064481

[1,21,303,3745,42711,464961,4918663,51086385,
 524227671,5336085601,54018566823,544793838225,
 5480212349431,55028108373441,551863246323783,
 5529708675105265,55374624529091991,
 554289026917064481]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)