id:A076825 - OEIS Search Results

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Let u(1)=1, u(n)=2^u(n-1) (mod n), sequence gives values of n such that u(n)=1.

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3, 15, 21, 51, 65, 95, 165, 255, 261, 273, 285, 295, 345, 387, 465, 507, 513, 565, 641, 837, 1025, 1353, 1665, 1731, 1845, 1953, 1971, 2013, 2123, 2193, 2231, 2325, 2979, 3087, 3237, 3591, 3615, 3645, 3865, 4097, 4369, 4405, 4445, 4655, 4697, 4797, 4995 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Conjecture: a(n)/n^2 -> infinity`
	CROSSREFS	`Sequence in context: A014493 A147025 A147017 this_sequence A118565 A117801 A087674` `Adjacent sequences: A076822 A076823 A076824 this_sequence A076826 A076827 A076828`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 24 2002`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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