id:A085925 - OEIS Search Results

Search: id:A085925

Displaying 1-1 of 1 results found.

page 1

a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is not prime".

+0
3

1, 3, 4, 6, 7, 8, 9, 10, 12, 14, 17, 18, 19, 20, 23, 29, 30, 32, 33, 34, 37, 41, 42, 43, 47, 53, 59, 61, 62, 63, 67, 68, 69, 70, 71, 73, 74, 79, 83, 89, 90, 91, 92, 97, 101, 103, 104, 107, 109, 113, 127, 131, 132, 137, 139, 149, 151, 157, 158, 163, 164, 165, 166, 167, 173 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(4) = 6 because 4 is in the sequence, and 6 is the next nonprime after a(3). a(5) = 7 because 5 is not in the sequence, and 7 is the next prime after a(4).`
	CROSSREFS	`Cf. A079000, A079254.` `Sequence in context: A004712 A122409 A039093 this_sequence A107907 A080804 A111909` `Adjacent sequences: A085922 A085923 A085924 this_sequence A085926 A085927 A085928`
	KEYWORD	`easy,nonn,less`
	AUTHOR	`David Wasserman (dwasserm(AT)earthlink.net), Aug 16 2003`

page 1

Search completed in 0.002 seconds

Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

AT&T Labs Research