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 A159020 a(0)=11; a(n) = a(n-1) + floor(sqrt(a(n-1))), n > 0. 0
 11, 14, 17, 21, 25, 30, 35, 40, 46, 52, 59, 66, 74, 82, 91, 100, 110, 120, 130, 141, 152, 164, 176, 189, 202, 216, 230, 245, 260, 276, 292, 309, 326, 344, 362, 381, 400, 420, 440, 460, 481, 502, 524, 546, 569 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Row 2 in square array A159016. This sequence contains an infinite number of squares. - Philippe Deléham, Apr 04 2009 The squares in this sequence are A020714(k)^2, k=0,1,2,.... - Vincenzo Librandi, Apr 20 2009 [clarified by R. J. Mathar, Dec 05 2010] LINKS Table of n, a(n) for n=0..44. CROSSREFS Cf. A028392, A020714. Sequence in context: A025060 A093669 A084805 * A015830 A242098 A163672 Adjacent sequences: A159017 A159018 A159019 * A159021 A159022 A159023 KEYWORD nonn AUTHOR Philippe Deléham, Apr 02 2009 STATUS approved

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Last modified September 11 02:28 EDT 2024. Contains 375813 sequences. (Running on oeis4.)