id:A135375 - OEIS Search Results

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Smallest prime made up of strings of all first n digits concatenated in ascending order and sandwiched between two 1's.

+0
1

101, 10111, 101221, 10001231, 101123441, 1001233451, 1012345661, 101123456671, 101223456781, 1012334567891 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(6)=1001233451 because the first 6 digits 0,1,2,3.4,5 appear in this order as concatenated strings of 00,1,2,33,4,5 in between the two end 1's ; This prime is the smallest since it is followed by 1011234451,10012334551,10122223451,...`
	CROSSREFS	`Sequence in context: A094028 A065074 A113628 this_sequence A096884 A055474 A071783` `Adjacent sequences: A135372 A135373 A135374 this_sequence A135376 A135377 A135378`
	KEYWORD	`fini,full,nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Dec 09 2007`

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.