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If a, b in sequence, so is ab+8.
0

%I #5 Mar 30 2012 18:35:07

%S 2,12,32,72,152,312,392,632,792,872,1032,1272,1592,1752,1832,2072,

%T 2312,2552,3192,3512,3672,3752,4152,4632,4712,4872,5112,5192,6392,

%U 7032,7352,7512,7592,8312,9272,9432,9512,9752,9992,10232,10392,10472,10952,12392

%N If a, b in sequence, so is ab+8.

%K nonn

%O 1,1

%A _David W. Wilson_