A159025 a(0)=71; a(n) = a(n-1) + floor(sqrt(a(n-1))), n > 0.

71, 79, 87, 96, 105, 115, 125, 136, 147, 159, 171, 184, 197, 211, 225, 240, 255, 270, 286, 302, 319, 336, 354, 372, 391, 410, 430, 450, 471, 492, 514, 536, 559, 582, 606, 630, 655, 680, 706, 732, 759, 786, 814, 842, 871, 900, 930, 960, 990, 1021, 1052, 1084, 1116, 1149, 1182, 1216

Offset

0,1

Comments

Row 7 in square array A159016.

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

Links

Table of n, a(n) for n=0..55.

Crossrefs

Cf. A028392, A110286.

Sequence in context: A322444 A339700 A217414 * A033245 A139914 A039392

Adjacent sequences: A159022 A159023 A159024 * A159026 A159027 A159028

Keyword

nonn

Author

Philippe Deléham, Apr 02 2009

Extensions

More terms from Vincenzo Librandi, Apr 10 2009

Status

approved