id:A050674 - OEIS Search Results

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Inserting a digit '0' between adjacent digits of n makes a prime.

+0
15

11, 13, 17, 19, 37, 41, 49, 53, 59, 61, 67, 71, 79, 89, 97, 107, 109, 113, 131, 133, 151, 161, 167, 179, 193, 199, 211, 217, 221, 247, 257, 259, 277, 287, 289, 293, 313, 319, 323, 337, 343, 359, 373, 377, 383, 389, 409, 457, 469, 479, 481, 493, 511, 527, 553 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`E.g. 373 becomes 3(0)7(0)3 which is prime 30703.`
	CROSSREFS	`Cf. A050711-A050719.` `Sequence in context: A032590 A076162 A156902 this_sequence A164329 A159236 A068155` `Adjacent sequences: A050671 A050672 A050673 this_sequence A050675 A050676 A050677`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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