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 A066905 Squares in A006577. 1
 0, 1, 16, 9, 9, 4, 16, 16, 16, 9, 9, 9, 25, 25, 25, 25, 25, 100, 121, 36, 36, 36, 36, 49, 16, 16, 16, 16, 16, 16, 16, 16, 81, 81, 9, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 100, 100, 100, 25, 144, 25, 100, 25, 25, 144, 144, 25, 25, 144, 64, 64, 64, 64, 64, 25, 25, 64, 64 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Table of n, a(n) for n=1..68. MATHEMATICA steps[ n_ ] := For[ nn=n; ct=0, True, ct++, If[ nn==1, Return[ ct ] ]; nn=If[ EvenQ[ nn ], nn/2, 3nn+1 ] ]; Select[ steps/@Range[ 1, 1000 ], IntegerQ[ Sqrt[ # ] ]& ] CROSSREFS Cf. A006577, A066773. Sequence in context: A070535 A070579 A278829 * A302683 A302518 A070567 Adjacent sequences: A066902 A066903 A066904 * A066906 A066907 A066908 KEYWORD nonn AUTHOR K. B. Subramaniam (kb_subramaniambalu(AT)yahoo.com), Dec 20 2001 EXTENSIONS More terms from Dean Hickerson, Jan 19 2002 Offset 1 from Michel Marcus, Jul 25 2021 STATUS approved

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Last modified May 24 16:22 EDT 2024. Contains 372778 sequences. (Running on oeis4.)