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A159026
a(0)=89; a(n) = a(n-1) + floor(sqrt(a(n-1))), n > 0.
0
89, 98, 107, 117, 127, 138, 149, 161, 173, 186, 199, 213, 227, 242, 257, 273, 289, 306, 323, 340, 358, 376, 395, 414, 434, 454, 475, 496, 518, 540, 563, 586, 610, 634, 659, 684, 710, 736, 763, 790, 818, 846, 875, 904, 934, 964, 995, 1026, 1058, 1090, 1123, 1156, 1190
OFFSET
0,1
COMMENTS
Row 8 in square array A159016.
This sequence contains infinitely many squares. - Philippe Deléham, Apr 04 2009
MATHEMATICA
NestList[#+Floor[Sqrt[#]]&, 89, 60] (* Harvey P. Dale, Feb 26 2012 *)
CROSSREFS
Sequence in context: A107202 A260807 A178917 * A256240 A090062 A166370
KEYWORD
nonn
AUTHOR
Philippe Deléham, Apr 02 2009
EXTENSIONS
More terms from Vincenzo Librandi, Apr 10 2009
STATUS
approved