id:A105427 - OEIS Search Results

Search: id:A105427

Displaying 1-1 of 1 results found.

page 1

Numbers n such that the near-repdigit number consisting of a 1 followed by n 3's (i.e. of form 1333...33) is composite.

+0
3

2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Complement of A056698.`
	LINKS	`M. Kamada, Factorizations of 133...33`
	CROSSREFS	`Cf. A093671; A051200; A089017.` `Sequence in context: A043320 A044917 A161953 this_sequence A023808 A023756 A080944` `Adjacent sequences: A105424 A105425 A105426 this_sequence A105428 A105429 A105430`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Apr 08 2005`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research