id:A137311 - OEIS Search Results

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Numbers n such that a type-5 Gaussian normal basis over GF(2^n) exists.

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2, 12, 20, 26, 36, 42, 84, 92, 98, 108, 114, 132, 140, 164, 188, 194, 212, 218, 234, 236, 258, 260, 276, 290, 306, 314, 324, 348, 362, 372, 380, 386, 402, 426, 428, 444, 474, 476, 482, 506, 524, 548, 570, 572, 602, 644, 674, 692, 698, 714, 716, 738, 740, 764 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A type-t Gaussian normal basis exists for GF(2^n) if p=n*t+1 is prime and gcd(n, (p-1)/ord(2 mod p))==1.`
	LINKS	`Joerg Arndt, fxtbook (draft of the book "Algorithms for Programmers")`
	CROSSREFS	`Cf. A136415.` `Sequence in context: A121022 A069164 A067762 this_sequence A032407 A136725 A023534` `Adjacent sequences: A137308 A137309 A137310 this_sequence A137312 A137313 A137314`
	KEYWORD	`nonn`
	AUTHOR	`Joerg Arndt (arndt(AT)jjj.de), Apr 05 2008`

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.

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