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Smallest positive Integer m such that m+i^2=0 mod p_i (i-th prime) for 1<=i<=n.
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%I #4 Mar 31 2012 14:40:08

%S 1,5,11,131,2021,11261,311561,3374621,119770901,5250906911,

%T 102296305361,3712385127701,77919766475801,10118178462873731,

%U 494180347734664841,10947306651739018811,1184157011830580629091,1184157011830580629091

%N Smallest positive Integer m such that m+i^2=0 mod p_i (i-th prime) for 1<=i<=n.

%C This sequence is used to define other sequences.

%e a(3)=11 because this is the smallest positive integer m such that m+1^2=0 mod 2, m+2^2=0 mod 3 and m+3^2=0 mod 5.

%Y Cf. A053665.

%K easy,nonn

%O 1,2

%A _Farideh Firoozbakht_, Jun 08 2003