A271583 - OEIS

A271583

Magic sums of 4 X 4 magic squares composed of squares of primes.

509020, 736300, 860932, 1368340, 2431780 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..5.` `The Prime Puzzles and Problems Connection, Puzzle 288` `Index entries for sequences related to magic squares`
	EXAMPLE	`Examples of 4 X 4 magic squares composed of squares of primes.` `.` `\|-----\|-----\|-----\|-----\|` `\| 29^2\| 71^2\|277^2\|653^2\|` `\|-----\|-----\|-----\|-----\|` `\|191^2\|647^2\|211^2\| 97^2\|` `\|-----\|-----\|-----\|-----\|` `\|673^2\|139^2\|163^2\|101^2\|` `\|-----\|-----\|-----\|-----\|` `\|137^2\|257^2\|601^2\|251^2\|` `\|-----\|-----\|-----\|-----\|` `The magic constant is 509020 = a(1).` `.` `\|-----\|-----\|-----\|-----\|` `\|179^2\|107^2\|383^2\|739^2\|` `\|-----\|-----\|-----\|-----\|` `\|353^2\|691^2\|331^2\|157^2\|` `\|-----\|-----\|-----\|-----\|` `\|761^2\|283^2\|263^2\| 89^2\|` `\|-----\|-----\|-----\|-----\|` `\| 23^2\|409^2\|641^2\|397^2\|` `\|-----\|-----\|-----\|-----\|` `The magic constant is 736300 = a(2).`
	CROSSREFS	`Cf. A271580. Subsequence of A271582.` `Sequence in context: A124945 A205167 A252776 * A076337 A258154 A101036` `Adjacent sequences: A271580 A271581 A271582 * A271584 A271585 A271586`
	KEYWORD	`nonn,more`
	AUTHOR	`Arkadiusz Wesolowski, Apr 10 2016`
	STATUS	`approved`

Last modified April 19 10:38 EDT 2024. Contains 371791 sequences. (Running on oeis4.)