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A112273 A puzzle sequence, answer unknown. 3

%I

%S 5,15,365,945

%N A puzzle sequence, answer unknown.

%D Floor van Lamoen, Posting to Seq Fan mailing list, Nov 24 2005

%K nonn,unkn

%O 1,1

%A _N. J. A. Sloane_, Nov 24 2005

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Last modified August 7 22:19 EDT 2020. Contains 336279 sequences. (Running on oeis4.)