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%I #14 Jul 28 2015 20:50:02
%S 1,1,1,1,2,2,2,3,4,4,5,6,8,9,11,13,16,19,22,26,32,38,45,53,64,76,90,
%T 107,128,152,181,215,256,304,362,430,512,608,724,861,1024,1217,1448,
%U 1722,2048,2435,2896,3444,4096,4870
%N Powers of fourth root of 2 rounded down.
%H Matthew House, <a href="/A018048/b018048.txt">Table of n, a(n) for n = 0..10000</a>
%p seq(floor(2^(n/4)),n=0..100); # _Robert Israel_, Jul 28 2015
%o (PARI) vector(70, n, n--; floor(2^(n/4))) \\ _Michel Marcus_, Jul 28 2015
%o (PARI) a(n)=sqrtnint(2^n,4) \\ _Charles R Greathouse IV_, Jul 28 2015
%Y Cf. A017979.
%K nonn,easy
%O 0,5
%A _N. J. A. Sloane_.
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