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A271477 as a simple table

n a(n)
1 1
2 11
3 115
4 1315
5 17059
6 251299
7 4168099
8 77066659
9 1573745059
10 35202560419
11 856414515619
12 22520060211619
13 636623103488419
14 19255913457152419
15 620582474248909219
16 21231371719439053219
17 768533168883921613219
18 29346999327603454669219
19 1179012538436940624589219
20 49713360071230827164365219

[1,11,115,1315,17059,251299,4168099,77066659,
 1573745059,35202560419,856414515619,
 22520060211619,636623103488419,19255913457152419,
 620582474248909219,21231371719439053219,
 768533168883921613219,29346999327603454669219,
 1179012538436940624589219,
 49713360071230827164365219]

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Last modified August 5 22:11 EDT 2020. Contains 336214 sequences. (Running on oeis4.)