%I #33 Jun 04 2023 14:02:41
%S 0,1,22,140,512,1397,3174,6352,11585,19683,31622,48558,71831,102978,
%T 143739,196069,262144,344365,445375,568056,715541,891223,1098758,
%U 1342070,1625363,1953125,2330129,2761448,3252453,3808824,4436552,5141947,5931641,6812597,7792110
%N Integer part of square root of A001017: a(n) = floor(n^(9/2)).
%H Vincenzo Librandi, <a href="/A238170/b238170.txt">Table of n, a(n) for n = 0..1000</a>
%F a(n) = floor(n^(9/2)).
%F a(n) = A000196(A001017(n)).
%F a(n) = floor(n^4*sqrt(n)).
%t Table[Floor[n^(9/2)], {n,0,30}] (* _G. C. Greubel_, Dec 30 2017 *)
%o (Magma) [Floor(n^(9/2)): n in [0..40]]; // _Vincenzo Librandi_, Feb 23 2014
%o (PARI) a(n) = floor(n^(9/2)); \\ _Joerg Arndt_, Feb 23 2014
%o (Python)
%o from math import isqrt
%o def A238170(n): return isqrt(n**9) # _Chai Wah Wu_, Jan 27 2023
%Y Integer part of square root of n^k: A000196 (k=1), A000093 (k=3), A155013 (k=5), A155014 (k=7), this sequence (k=9), A155015 (k=11), A155016 (k=13), A155018 (k=15), A155019 (k=17).
%K nonn
%O 0,3
%A _Philippe Deléham_, Feb 21 2014
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