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A256234 Magic constants of 4 X 4 pandiagonal magic squares composed of consecutive primes.

%I A256234 #84 Jul 03 2019 19:09:17
%S A256234 682775764735680,47184892811061120,50194833750826260,
%T A256234 70151123608154420,76685404549625256,93295105984206480,
%U A256234 94615738903617540,123483356772380760,141536742113504220,211283804186719200,214070508927033000
%N A256234 Magic constants of 4 X 4 pandiagonal magic squares composed of consecutive primes.
%C A256234 a(1) = 682775764735680, minimal 4 X 4 pandiagonal magic squares of consecutive primes, see A245721.
%H A256234 Dmitry Petukhov, <a href="/A256234/b256234.txt">Table of n, a(n) for n = 1..56</a>
%H A256234 <a href="http://dxdy.ru/post988507.html#p988507">Discussion at the scientific forum dxdy.ru</a> (in Russian)
%H A256234 <a href="http://stop.inferia.ru/">BOINC project</a> to search all up to 2^64
%H A256234 Natalia Makarova, <a href="/A256234/a256234_3.txt">Pandiagonal squares of order 4 composed of consecutive prime numbers</a>
%H A256234 Natalia Makarova, <a href="/A256234/a256234_4.txt">Symmetrical 16-tuples of consecutive primes, components for pandiagonal squares of order 4, from J. Wroblewski</a>
%e A256234 a(2) =  47184892811061120:
%e A256234   11796223202765101 +
%e A256234     0 148 232 336
%e A256234   268 300  36 112
%e A256234   126  22 358 210
%e A256234   322 246  90  58
%e A256234 a(5) = 76685404549625256:
%e A256234   19171351137406219 +
%e A256234     0 100 112 168
%e A256234   142 138  30  70
%e A256234    78  22 190  90
%e A256234   160 120  48  52
%Y A256234 Cf. A166113 (3 X 3 square), A245721.
%K A256234 nonn
%O A256234 1,1
%A A256234 _Dmitry Petukhov_, Mar 20 2015
%E A256234 a(5) added by _Dmitry Petukhov_, Mar 25 2015
%E A256234 a(6), a(7) from an anonymous participant in the project, added by _Natalia Makarova_, Jul 16 2015
%E A256234 a(8) from Alexander Andreyev, added by _Natalia Makarova_, Mar 29 2016
%E A256234 a(9) from Alexander Andreyev, a(10) from an anonymous participant in the project, a(11) from Denis Ivanov, added by _Natalia Makarova_, Jun 13 2016
%E A256234 a(12)-a(18) are confirmed by BOINC project, Mar 19 2017
%E A256234 a(19)-a(32) are confirmed by BOINC project, Apr 06 2017
%E A256234 a(33)-a(56) are confirmed and added by BOINC project, May 17 2017