id:A046116 - OEIS Search Results

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Numbers n such that no Paley-type Hadamard matrix of order n exists.

+0
2

92, 116, 156, 172, 184, 188, 232, 236, 260, 268, 292, 324, 356, 372, 376, 404, 412, 428, 436, 452, 472, 476, 508, 520, 532, 536, 584, 596, 604, 612, 652, 668, 712, 716, 732, 756, 764, 772, 808, 836, 852, 856, 872, 876, 892, 904, 932, 940, 944, 952, 956 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Joerg Arndt, Fxtbook` `Eric Weisstein's World of Mathematics, More info (1)` `Eric Weisstein's World of Mathematics, More info (2)`
	FORMULA	`Divisible by 4 but not of form 2^a*(q+1), q = odd prime power.`
	CROSSREFS	`Adjacent sequences: A046113 A046114 A046115 this_sequence A046117 A046118 A046119` `Sequence in context: A039549 A101287 A065511 this_sequence A116215 A044424 A044805`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified May 15 13:16 EDT 2008. Contains 139641 sequences.

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