A288144 - OEIS

%I #52 Jul 27 2017 03:08:17

%S 19,53,1583,3509,6479,223309,291205,65791,56179,50039,3505843,

%T 456456275,16781311,5734169,4144461731,23461111,56585278013,50656373,

%U 164136392937

%N Square roots of the deficiencies of the squares of A289274.

%C This sequence consists of the terms of A288145 different from 1.

%e The deficiency of 46^2 is 2*46^2 - sigma(46^2) = 19^2, so this sequence starts with 19 (since 46 is the first term of the A289274).

%Y Cf. A289274, A289275, A288145.

%K nonn,more

%O 1,1

%A _Jens Voß_, Jul 01 2017

%E a(10) from _Chai Wah Wu_, Jul 26 2017

%E a(11)-a(19) from _Giovanni Resta_, Jul 27 2017