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A022221 as a simple table

n a(n)
3 1
4 259
5 57535
6 12485095
7 2698853335
8 583026951031
9 125936508182839
10 27202382491194295
11 5875718100153221815
12 1269155234987097152695
13 274137535269957102205111
14 59213707780769522731688119
15 12790160886494733304250601655

[1,259,57535,12485095,2698853335,583026951031,
 125936508182839,27202382491194295,
 5875718100153221815,1269155234987097152695,
 274137535269957102205111,
 59213707780769522731688119,
 12790160886494733304250601655]

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Last modified April 24 18:03 EDT 2019. Contains 322430 sequences. (Running on oeis4.)