id:A111382 - OEIS Search Results

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Beginning with 3, least number such that concatenation of first n terms and its digit reversal both are primes.

+0
3

3, 1, 1, 21, 11, 43, 47, 157, 753, 51, 917, 273, 2409, 703, 413, 3729, 1153, 6243, 8789, 2307, 4477, 137, 403, 10649, 4617, 4533, 6133, 4721, 877, 2469, 5967, 1557, 1047, 38931, 15533, 6877, 23987, 4767, 18049, 1463, 118333, 27897 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A113584.` `Sequence in context: A087987 A121412 A016561 this_sequence A156950 A083998 A126465` `Adjacent sequences: A111379 A111380 A111381 this_sequence A111383 A111384 A111385`
	KEYWORD	`nonn,base`
	AUTHOR	`Hans Havermann, Nov 08 2005`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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