id:A034810 - OEIS Search Results

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Concatenation of 'prevprime(n) and n and nextprime(n)' is a prime.

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7, 10, 13, 16, 19, 36, 37, 40, 43, 46, 58, 63, 74, 85, 88, 97, 98, 104, 125, 132, 143, 153, 156, 164, 168, 169, 175, 188, 196, 203, 206, 222, 224, 233, 241, 269, 292, 304, 305, 308, 311, 317, 331, 333, 338, 344, 359, 364, 367, 368, 372, 382, 389, 395, 397, 409 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`n=88 --> previous prime is 83, next prime is 89, thus '838889' is a prime.`
	CROSSREFS	`Cf. A034808-A034821.` `Sequence in context: A153040 A024888 A112414 this_sequence A154487 A023390 A096678` `Adjacent sequences: A034807 A034808 A034809 this_sequence A034811 A034812 A034813`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1998.`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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