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User talk:Jason Kimberley/E k-reg girth ge g index
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pre := [[A[n]:n in[2..2*(#A div 2)by 2]]:gkA in Ege|k eq 3 where g,k,A is Explode(gkA)]; [#A:A in pre]; [[A[n]:A in pre]:n in[1..16]];