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A238170
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Integer part of square root of A001017: a(n) = floor(n^(9/2)).
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2
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0, 1, 22, 140, 512, 1397, 3174, 6352, 11585, 19683, 31622, 48558, 71831, 102978, 143739, 196069, 262144, 344365, 445375, 568056, 715541, 891223, 1098758, 1342070, 1625363, 1953125, 2330129, 2761448, 3252453, 3808824, 4436552, 5141947, 5931641, 6812597, 7792110
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = floor(n^(9/2)).
a(n) = floor(n^4*sqrt(n)).
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MATHEMATICA
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Table[Floor[n^(9/2)], {n, 0, 30}] (* G. C. Greubel, Dec 30 2017 *)
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PROG
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(PARI) a(n) = floor(n^(9/2)); \\ Joerg Arndt, Feb 23 2014
(Python)
from math import isqrt
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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