login
Numbers which are the sum of three nonzero squares and are also divisible by 31.
1

%I #4 Feb 05 2016 20:37:21

%S 62,93,155,186,217,248,310,341,372,403,434,465,558,589,620,651,682,

%T 713,744,806,837,868,899,930,961,992,1054,1085,1147,1178,1209,1240,

%U 1302,1333,1364,1395,1426,1457,1488,1550,1581,1612,1643,1674,1705,1736,1798

%N Numbers which are the sum of three nonzero squares and are also divisible by 31.

%H Chai Wah Wu, <a href="/A104078/b104078.txt">Table of n, a(n) for n = 1..10000</a>

%e a(1)=62 because 62=1^2+5^2+6^2=2^2+3^2+7^2.

%e a(2)=93 because 93=2^2+5^2+8^2.

%e a(3)=155 because 155=5^2+7^2+9^2=3^2+5^2+11^2....

%Y Cf. A000408.

%K nonn

%O 1,1

%A Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Mar 02 2005