id:A090911 - OEIS Search Results

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a(n+1) is the least positive integer k such that 1) k is a one-digit number or the concatenation of two or more consecutive numbers; 2) |k-a(n)| is prime; and 3) |k-a(n)| is not the absolute difference of two previous consecutive members of the sequence.

+0
4

1, 3, 6, 1, 8, 45, 2, 789, 56, 3, 34, 5, 78, 7, 234, 1, 12, 1213, 456, 7, 1314, 23, 4, 45, 1516, 5, 234, 23, 6, 67, 8, 345, 34, 123, 56, 9, 1112, 3, 910, 23, 456, 67, 234, 1415, 6, 89, 456, 2345, 4, 567, 1718, 9, 2122, 23, 1516, 89, 910, 1011, 2, 2223, 10111012, 1415 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A090910, A090913.` `Sequence in context: A118948 A118012 A022836 this_sequence A108813 A108591 A110119` `Adjacent sequences: A090908 A090909 A090910 this_sequence A090912 A090913 A090914`
	KEYWORD	`base,nonn,easy`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 15 2003`
	EXTENSIONS	`Edited and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Feb 14 2006`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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