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A270830 Smallest of n^2 consecutive primes that form an n X n semimagic square with the least magic sum, or 0 if no such magic square exists. 1

%I #7 Mar 29 2016 22:38:31

%S 2,0,21821,5,13,7,7,79,37,23,67,89,13,89,131,31,71,47,43,73,277,353,

%T 41,67,127,223,79,13,193,5,23,43,5,67,3,19,5,59,59,653,19,19,97,409,5,

%U 383,29,137,379,349,653,1187,47,41,37,17,619,89,283,283,43,479,191

%N Smallest of n^2 consecutive primes that form an n X n semimagic square with the least magic sum, or 0 if no such magic square exists.

%C a(n) <= A104157. For n = 3 and 4, a(n) is different from A104157(n).

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

%Y Cf. A104157, A265139, A265614, A270829.

%K nonn

%O 1,1

%A _Arkadiusz Wesolowski_, Mar 23 2016

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Last modified April 25 13:41 EDT 2024. Contains 371970 sequences. (Running on oeis4.)