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A087668
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Indices of records in A087664.
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3
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8, 9, 11, 13, 15, 133, 2317, 39845, 108167, 46779959, 70246181, 248897669, 452691117, 1137506437, 3089581031
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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No other terms below 10^10.
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LINKS
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PROG
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(PARI) A087664(n)={ local(x, s) ; x=n/4 ; s=0 ; while( type(x)!="t_INT", x *= floor(x) ; s++ ; ) ; return(s) ; } { rec=-1 ; for(n=8, 1000000, a=A087664(n) ; if(a>rec, rec=a ; print(n) ; ) ; ) ; } - R. J. Mathar, Nov 25 2006
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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