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 A097448 If n is square, replace with sqrt(n). 1
 0, 1, 2, 3, 2, 5, 6, 7, 8, 3, 10, 11, 12, 13, 14, 15, 4, 17, 18, 19, 20, 21, 22, 23, 24, 5, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 6, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 7, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 8, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS EXAMPLE The first five integers 0,1,2,3,4 have squares 0,1,4 thus the first five integers in the seq is 0,1,2,3,2. MATHEMATICA Table[If[IntegerQ[Sqrt[n]], Sqrt[n], n], {n, 0, 100}] (* Harvey P. Dale, Jul 09 2017 *) PROG (PARI) g(n) = for(x=0, n, if(issquare(x), y=sqrt(x), y=x); print1(floor(y)", ") (PARI) for(n=0, 74, print1(if(issquare(n, &m), m, n)", ")) \\ Zak Seidov, Feb 21 2013 CROSSREFS Sequence in context: A110500 A161871 A135875 * A066729 A241592 A211506 Adjacent sequences:  A097445 A097446 A097447 * A097449 A097450 A097451 KEYWORD nonn AUTHOR Cino Hilliard, Aug 23 2004 STATUS approved

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Last modified September 17 22:53 EDT 2019. Contains 327147 sequences. (Running on oeis4.)