A256234 - OEIS

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A256234

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

682775764735680, 47184892811061120, 50194833750826260, 70151123608154420, 76685404549625256, 93295105984206480, 94615738903617540, 123483356772380760, 141536742113504220, 211283804186719200, 214070508927033000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(1) = 682775764735680, minimal 4 X 4 pandiagonal magic squares of consecutive primes, see A245721.`
	LINKS	`Dmitry Petukhov, Table of n, a(n) for n = 1..56` `Discussion at the scientific forum dxdy.ru (in Russian)` `BOINC project to search all up to 2^64` `Natalia Makarova, Pandiagonal squares of order 4 composed of consecutive prime numbers` `Natalia Makarova, Symmetrical 16-tuples of consecutive primes, components for pandiagonal squares of order 4, from J. Wroblewski`
	EXAMPLE	`a(2) = 47184892811061120:` `11796223202765101 +` `0 148 232 336` `268 300 36 112` `126 22 358 210` `322 246 90 58` `a(5) = 76685404549625256:` `19171351137406219 +` `0 100 112 168` `142 138 30 70` `78 22 190 90` `160 120 48 52`
	CROSSREFS	`Cf. A166113 (3 X 3 square), A245721.` `Sequence in context: A321709 A338608 A088867 * A298821 A159042 A129935` `Adjacent sequences: A256231 A256232 A256233 * A256235 A256236 A256237`
	KEYWORD	`nonn`
	AUTHOR	`Dmitry Petukhov, Mar 20 2015`
	EXTENSIONS	`a(5) added by Dmitry Petukhov, Mar 25 2015` `a(6), a(7) from an anonymous participant in the project, added by Natalia Makarova, Jul 16 2015` `a(8) from Alexander Andreyev, added by Natalia Makarova, Mar 29 2016` `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` `a(12)-a(18) are confirmed by BOINC project, Mar 19 2017` `a(19)-a(32) are confirmed by BOINC project, Apr 06 2017` `a(33)-a(56) are confirmed and added by BOINC project, May 17 2017`
	STATUS	`approved`

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Last modified April 1 13:29 EDT 2023. Contains 361695 sequences. (Running on oeis4.)