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A170998 as a simple table

n a(n)
2 2
3 86093440
4 5642133787008
5 19994654452125184
6 13120458818999011032
7 2852277353239208548608
8 283889181859169785013248
9 15786934495235533394850816
10 559374323532926110389380124 

[2,86093440,5642133787008,19994654452125184,
 13120458818999011032,2852277353239208548608,
 283889181859169785013248,
 15786934495235533394850816,
 559374323532926110389380124]

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Last modified May 26 02:53 EDT 2013. Contains 225653 sequences.