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A278276 as a simple table

n a(n)
1 0
2 13
3 122
4 1461
5 16842
6 196726
7 2293193
8 26748095
9 311952675
10 3638315600
11 42433460041
12 494899976008
13 5771998528706
14 67318594537535
15 785134131756525
16 9156988685842075
17 106797600929943552
18 1245576243371149125

[0,13,122,1461,16842,196726,2293193,26748095,
 311952675,3638315600,42433460041,494899976008,
 5771998528706,67318594537535,785134131756525,
 9156988685842075,106797600929943552,
 1245576243371149125]

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Last modified January 20 08:45 EST 2021. Contains 340301 sequences. (Running on oeis4.)