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A159024 a(0)=55; a(n) = a(n-1) + floor(sqrt(a(n-1))), n > 0. 0
55, 62, 69, 77, 85, 94, 103, 113, 123, 134, 145, 157, 169, 182, 195, 208, 222, 236, 251, 266, 282, 298, 315, 332, 350, 368, 387, 406, 426, 446, 467, 488, 510, 532, 555, 578, 602, 626, 651, 676, 702, 728, 754, 781, 808, 836, 864, 893, 922, 952, 982, 1013, 1044 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Row 6 in square array A159016.

This sequence contains infinitely many squares. - Philippe Deléham, Apr 04 2009

LINKS

Table of n, a(n) for n=0..52.

MATHEMATICA

NestList[#+Floor[Sqrt[#]]&, 55, 60] (* Harvey P. Dale, Nov 27 2022 *)

CROSSREFS

Cf. A028392, A005029.

Sequence in context: A101286 A295804 A101285 * A039356 A043179 A043959

Adjacent sequences: A159021 A159022 A159023 * A159025 A159026 A159027

KEYWORD

nonn,changed

AUTHOR

Philippe Deléham, Apr 02 2009

EXTENSIONS

More terms from Vincenzo Librandi, Apr 10 2009

STATUS

approved

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Last modified December 3 23:46 EST 2022. Contains 358544 sequences. (Running on oeis4.)