A155018 Integer part of square root of n^15 = A010803(n).

0, 1, 181, 3787, 32768, 174692, 685700, 2178889, 5931641, 14348907, 31622776, 64631634, 124125023, 226242995, 394421215, 661735513, 1073741824, 1691869691, 2597429617, 3896296578, 5724334022, 8253624572, 11699575548, 16328969210, 22469029417, 30517578125, 40954356816

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..1000

Mathematica

a={}; Do[AppendTo[a, IntegerPart[(n^15)^(1/2)]], {n, 0, 5!}]; a
Table[Floor[Sqrt[n^15]], {n, 1, 30}] (* G. C. Greubel, Dec 30 2017 *)

Prog

(PARI) a(n)=sqrtint(n^15) \\ G. C. Greubel, Dec 30 2017
(Magma) [Floor(Sqrt(n^15)): n in [1..30]]; // G. C. Greubel, Dec 30 2017

Crossrefs

Integer part of square root of n^k: A000196 (k=1), A000093 (k=3), A155013 (k=5), A155014 (k=7), A238170 (k=9), A155015 (k=11), A155016 (k=13), this sequence (k=15), A155019 (k=17).

Sequence in context: A264289 A200953 A264337 * A179814 A293655 A390797

Adjacent sequences: A155015 A155016 A155017 * A155019 A155020 A155021

Keyword

nonn,easy

Author

Vladimir Joseph Stephan Orlovsky, Jan 19 2009

Extensions

Offset corrected by Alois P. Heinz, Sep 27 2014

Status

approved