id:A066738 - OEIS Search Results

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Primes that are concatenations of nonprime numbers.

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11, 19, 41, 61, 89, 101, 109, 127, 139, 149, 151, 157, 163, 181, 191, 193, 199, 211, 229, 241, 251, 269, 271, 281, 331, 349, 359, 389, 401, 409, 419, 421, 433, 439, 449, 457, 461, 463, 487, 491, 499, 509, 521, 541, 569, 571, 601, 619, 631, 641, 659, 661 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`The prime 163 is the concatenation of nonprime numbers 1 and 63. 419 is the concatenation of 4, 1 and 9.`
	CROSSREFS	`Sequence in context: A076853 A136026 A033201 this_sequence A081027 A084986 A034844` `Adjacent sequences: A066735 A066736 A066737 this_sequence A066739 A066740 A066741`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Jan 16 2002`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Apr 03 2002`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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