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A270829 Smallest magic sum for any n X n semimagic square made from consecutive primes, or 0 if no such magic square exists. 1

%I #7 Mar 29 2016 22:38:18

%S 2,0,65573,124,313,484,797,2016,2211,2862,4507,6188,6325,9660,12669,

%T 13016,16857,19530,23069,28184,38761,46302,42515,49846,59087,70260,

%U 73385,78960,97267,98316,111023,124454,134641,152952,163043,180596,195975,218432

%N Smallest magic sum for any n X n semimagic square made from consecutive primes, or 0 if no such magic square exists.

%C a(n) <= A073520(n). For n = 3 and 4, a(n) is different from A073520(n).

%H <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a>

%F a(2) = 0, otherwise a(n) = (1/n) * sum(m=k..n^2+k-1, A000040(m)), where k = A049084(A270830(n)).

%Y Cf. A073520, A268912, A270830.

%K nonn

%O 1,1

%A _Arkadiusz Wesolowski_, Mar 23 2016

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