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First element of first run of exactly n consecutive numbers not of form x^2+y^2.
5

%I #12 Jul 13 2019 10:44:10

%S 3,6,42,21,75,91,186,378,3051,987,1670,4182,6531,1494,8435,9705,22161,

%T 5166,16110,16869,154709,57099,31658,52394,401481,176811,101350,

%U 105573,678357,241883,501717,393818,284003,685542,1437354,1751297,3225579

%N First element of first run of exactly n consecutive numbers not of form x^2+y^2.

%C Gives the position of the start of the first run of exactly n consecutive zeros in A004018.

%H Hugo Pfoertner, <a href="/A104271/b104271.txt">Table of n, a(n) for n = 1..116</a>

%Y Cf. A022544, A004018.

%K nonn

%O 1,1

%A _David W. Wilson_, Feb 26 2005