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A118169 as a simple table

n a(n)
0 0
1 0
2 2
3 3
4 136
5 1915
6 6336
7 460663
8 13148416
9 91581111
10 3772979200
11 198133379411
12 7608426080256
13 52812321503747
14 4709633119830016
15 316248789972027375
16 16013842065532911616
17 296760465891270915823
18 13494391336411560935424

[0,0,2,3,136,1915,6336,460663,13148416,91581111,
 3772979200,198133379411,7608426080256,
 52812321503747,4709633119830016,
 316248789972027375,16013842065532911616,
 296760465891270915823,13494391336411560935424]

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Last modified May 17 19:26 EDT 2021. Contains 343988 sequences. (Running on oeis4.)