id:A152609 - OEIS Search Results

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a(1) = 1; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any four consecutive digits in the sequence is a prime.

+0
8

1, 2, 3, 7, 19, 31, 91, 373, 931, 1931, 1933, 7193, 11931, 19311, 93119, 311931, 913733, 1373313, 7331373, 9311931, 19311931, 19311933, 71931193, 119311931, 193119311, 931193119, 3119311931, 9137331373, 9311931193 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Computed by Jean-Marc Falcoz.`
	LINKS	`Eric Angelini, Chiffres consecutifs dans quelques suites`
	CROSSREFS	`Cf. A158652, A152604-A152609.` `Sequence in context: A113165 A128025 A092064 this_sequence A091410 A122724 A033844` `Adjacent sequences: A152606 A152607 A152608 this_sequence A152610 A152611 A152612`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2009`

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

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