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Define {b(n)} by b(1) = 3, b(n) (n >= 2) is smallest number such that b(1)^2 + ... + b(n)^2 = m^2 for some m and all b(i) are distinct. Sequence gives values of m^2.
3

%I #22 Dec 14 2018 20:01:28

%S 9,25,169,7225,24649,151905625,155276521,11296501225,76364348281,

%T 115402204681,107410609760281,297167295808681,3750076824489457081,

%U 2635366822165468321225,17815079717838565851481,761621011605820344834025

%N Define {b(n)} by b(1) = 3, b(n) (n >= 2) is smallest number such that b(1)^2 + ... + b(n)^2 = m^2 for some m and all b(i) are distinct. Sequence gives values of m^2.

%F a(n) = A018928(n+1)^2 - A018930(n+1)^2. - _César Aguilera_, Nov 02 2018

%Y Cf. A018928, A018930.

%K nonn

%O 1,1

%A Charles Reed (charles.reed(AT)bbs.ewgateway.org)

%E More terms from _David W. Wilson_