A155016 Integer part of square root of A010801.

0, 1, 90, 1262, 8192, 34938, 114283, 311269, 741455, 1594323, 3162277, 5875603, 10343751, 17403307, 28172943, 44115700, 67108864, 99521746, 144301645, 205068240, 286216701, 393029741, 531798888, 709955183, 936209559, 1220703125

Offset: 0

Author

Vladimir Joseph Stephan Orlovsky, Jan 19 2009

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..1000 (first 100 terms from Karl V. Keller, Jr.)

Crossrefs

Integer part of square root of n^k: A000196 (k=1), A000093 (k=3), A155013 (k=5), A155014 (k=7), A155015 (k=11), this sequence (k=13), A155018 (k=15), A155019 (k=17).

Programs

Magma

[Floor(Sqrt(n^13)): n in [1..30]]; // G. C. Greubel, Dec 30 2017

Mathematica

a={};Do[AppendTo[a,IntegerPart[(n^13)^(1/2)]],{n,0,5!}];a
Table[Floor[Sqrt[n^13]], {n,1,30}] (* G. C. Greubel, Dec 30 2017 *)

PARI

for(n=1,30, print1(floor(sqrt(n^13)), ", ")) \\ G. C. Greubel, Dec 30 2017

Extensions

Offset corrected by Karl V. Keller, Jr., Sep 27 2014