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a(n) is the smallest number, larger than the previous, such that the RMS (Root Mean Square) of a(0) through a(n) is an integer.
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%I #5 Jan 22 2014 06:00:09

%S 1,7,25,33,84,294,462,750,1155,1705,2431,3017,18130,19684,22052,28996,

%T 36907,45925,61957,71309,168889,471799,9998261,11975939,21577709,

%U 29764925,853783375,1388314375,1438304875,2710683875,2741707205,62802867395,72342543455

%N a(n) is the smallest number, larger than the previous, such that the RMS (Root Mean Square) of a(0) through a(n) is an integer.

%C Actual RMS values are given by A141394.

%H Giovanni Resta, <a href="/A141393/b141393.txt">Table of n, a(n) for n = 0..100</a>

%Y Cf. A141391, A141392, A141394, A140480.

%K nonn

%O 0,2

%A _Andrew Weimholt_, Jun 29 2008

%E a(22)-a(32) from _Giovanni Resta_, Jan 22 2014