id:A027856 - OEIS Search Results

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Dan numbers: n of form 2^a 3^b such that n +- 1 are twin primes.

+0
3

4, 6, 12, 18, 72, 108, 192, 432, 1152, 2592, 139968, 472392, 786432, 995328, 57395628, 63700992, 169869312, 4076863488, 10871635968, 2348273369088, 56358560858112, 79164837199872, 84537841287168, 150289495621632 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A014574.` `Cf. A059961, A060211, A078884.` `Sequence in context: A034425 A073123 A079865 this_sequence A048641 A023599 A087881` `Adjacent sequences: A027853 A027854 A027855 this_sequence A027857 A027858 A027859`
	KEYWORD	`nonn`
	AUTHOR	`Richard Schroeppel (rschroe(AT)sandia.gov)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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