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A057835 as a simple table

n a(n)
1 0
2 3
3 23
4 143
5 906
6 6116
7 44158
8 332774
9 2592592
10 20758029
11 169923159
12 1416705193
13 11992858452
14 102838308636
15 891604962452
16 7804289844393
17 68883734693928
18 612483070893536
19 5481624169369961
20 49347193044659702
21 446579871578168707

[0,3,23,143,906,6116,44158,332774,2592592,
 20758029,169923159,1416705193,11992858452,
 102838308636,891604962452,7804289844393,
 68883734693928,612483070893536,5481624169369961,
 49347193044659702,446579871578168707]

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Last modified May 25 05:13 EDT 2013. Contains 225643 sequences.