id:A069866 - OEIS Search Results

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Primes in which repeatedly deleting the most significant digit then the least significant digit gives a prime at every step until a single digit prime remains.

+0
4

2, 3, 5, 7, 13, 17, 23, 37, 43, 47, 53, 67, 73, 83, 97, 131, 137, 173, 179, 223, 229, 271, 331, 337, 353, 359, 373, 379, 431, 479, 523, 571, 631, 653, 659, 673, 773, 823, 829, 853, 859, 929, 937, 953, 971, 1031, 1373, 1433, 1439, 1733, 2029, 2053, 2131, 2137 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A033664, A024770.` `Sequence in context: A042993 A033664 A024785 this_sequence A125772 A001000 A094947` `Adjacent sequences: A069863 A069864 A069865 this_sequence A069867 A069868 A069869`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 21 2002`
	EXTENSIONS	`Corrected and extended by Larry Reeves (larryr(AT)acm.org), Sep 24 2002`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

AT&T Labs Research