A271582 - OEIS

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A271582

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

11220, 15300, 17300, 17316, 19380, 20900, 26900, 27300, 28100, 29900, 31620, 33660, 34060, 34580, 35700, 39100, 39780, 42500, 42900, 43540, 43732, 43860, 44748, 45900, 46900, 47580, 47892, 47940, 49300, 50700, 51508, 52260, 53300, 53980, 54340, 55100, 55796 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Every number of the form 8*x + 4, where x is a term of A271579, is in the sequence.`
	LINKS	`Table of n, a(n) for n=1..37.` `Index entries for sequences related to magic squares`
	EXAMPLE	`Examples of 4 X 4 magic squares composed of odd squares.` `.` `\|-----\|-----\|-----\|-----\|` `\| 23^2\| 3^2 \| 49^2\| 91^2\|` `\|-----\|-----\|-----\|-----\|` `\| 61^2\| 71^2\| 37^2\| 33^2\|` `\|-----\|-----\|-----\|-----\|` `\| 79^2\| 29^2\| 63^2\| 13^2\|` `\|-----\|-----\|-----\|-----\|` `\| 27^2\| 73^2\| 59^2\| 41^2\|` `\|-----\|-----\|-----\|-----\|` `The magic constant is 11220 = a(1).` `.` `\|-----\|-----\|-----\|-----\|` `\| 3^2 \| 19^2\| 59^2\|107^2\|` `\|-----\|-----\|-----\|-----\|` `\| 49^2\|103^2\| 47^2\| 9^2 \|` `\|-----\|-----\|-----\|-----\|` `\|113^2\| 39^2\| 31^2\| 7^2 \|` `\|-----\|-----\|-----\|-----\|` `\| 11^2\| 53^2\| 93^2\| 61^2\|` `\|-----\|-----\|-----\|-----\|` `The magic constant is 15300 = a(2).`
	CROSSREFS	`Cf. A016754, A271579. Subsequence of A271580. Supersequence of A271583.` `Sequence in context: A247925 A359871 A362446 * A185797 A256355 A135015` `Adjacent sequences: A271579 A271580 A271581 * A271583 A271584 A271585`
	KEYWORD	`nonn`
	AUTHOR	`Arkadiusz Wesolowski, Apr 10 2016`
	STATUS	`approved`

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Last modified June 11 14:45 EDT 2024. Contains 373311 sequences. (Running on oeis4.)