A219325 - OEIS

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A219325

Positive integers n that are equal to the determinant of the circulant matrix formed by the binary digits of n.

1, 17298, 25947, 100990, 106090, 2718340, 36680364, 34505916416 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..8.` `Giovanni Resta, Illustration of a(8)`
	EXAMPLE	`Binary digits of 17298 are [1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0]. The 15x15 circulant matrix formed by their circular right rotations has determinant equal 17298.`
	CROSSREFS	`Cf. A219324 (decimal version) provides references and more details` `Sequence in context: A230164 A001381 A219357 * A255780 A023942 A251465` `Adjacent sequences: A219322 A219323 A219324 * A219326 A219327 A219328`
	KEYWORD	`base,nonn,nice,more`
	AUTHOR	`Max Alekseyev, Nov 17 2012`
	EXTENSIONS	`a(7) from Hans Havermann and Emmanuel Vantieghem, Nov 19 2012` `a(8) from Giovanni Resta, Dec 14 2012`
	STATUS	`approved`

Last modified June 25 20:26 EDT 2017. Contains 288730 sequences.