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%I #6 Aug 03 2014 17:38:15
%S 2,7,0,47,2,167,287,2,527,2,2,1367,2,1847,2207,2807,2,2,4487,2,5327,2,
%T 6887,2,9407,2,10607,11447,2,12767,16127,2,18767,2,2,2,24647,26567,
%U 27887,29927,2,2,2,37247,38807,2,2,49727,51527,2,54287,2,2,2,66047
%N 2*JacobiSymbol(p,5) mod p^2 for p=prime(n).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Wall-Sun-SunPrime.html">Wall-Sun-Sun Prime</a>
%o (PARI) a(n) = my(p=prime(n)); 2*kronecker(p, 5) % p^2; \\ _Michel Marcus_, Aug 03 2014
%K nonn
%O 1,1
%A _Eric W. Weisstein_, Nov 03 2005
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