id:A036060 - OEIS Search Results

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Number of 3-component Carmichael numbers C = (6M+1)(12M+1)(18M+1) < 10^n.

+0
1

0, 1, 1, 2, 2, 3, 7, 10, 16, 27, 45, 77, 133, 234, 415, 746, 1354, 2480, 4580, 8519, 15956, 30069, 56988, 108570, 207836, 399638, 771621, 1495580, 2909178, 5677865, 11116339, 21828157, 42670184, 84144873, 166369603, 318733896 (list; graph; listen)

	OFFSET	`3,4`
	REFERENCES	`Posting by Harvey Dubner (harvey(AT)dubner.com) to Number Theory List (NMBRTHRY(AT)LISTSERV.NODAK.EDU), 11/98.`
	LINKS	`H. Dubner, 3-Component Carmichael Numbers` `Number Theory List, Archives` `Index entries for sequences related to Carmichael numbers.`
	CROSSREFS	`Sequence in context: A141559 A160433 A043550 this_sequence A065383 A087384 A127165` `Adjacent sequences: A036057 A036058 A036059 this_sequence A036061 A036062 A036063`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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