id:A077798 - OEIS Search Results

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Palindromic wing primes (a.k.a. near-repdigit palindromes) of the general form a*(10^m-1)/9 +/- b*10^[ m/2 ].

+0
31

101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 11311, 11411, 33533, 77377, 77477, 77977, 1114111, 1117111, 3331333, 3337333, 7772777, 7774777, 7778777, 111181111, 111191111, 777767777, 77777677777, 99999199999 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Prime versus probable prime status and proofs are given in the author's table.`
	REFERENCES	`C. Caldwell and H. Dubner, "Journal of Recreational Mathematics", Volume 28, No. 1, 1996-97, pp. 1-9.`
	LINKS	`P. De Geest, PWP Reference Table`
	CROSSREFS	`Cf. A077775-A077797.` `Sequence in context: A075793 A052086 A056730 this_sequence A089360 A056728 A085112` `Adjacent sequences: A077795 A077796 A077797 this_sequence A077799 A077800 A077801`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 16 2002.`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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