id:A157173 - OEIS Search Results

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Primes with sum of smallest digit and final digit is a prime.

+0
2

11, 23, 29, 31, 41, 47, 61, 67, 71, 89, 103, 107, 131, 151, 181, 191, 211, 223, 229, 233, 239, 241, 251, 263, 269, 271, 281, 283, 293, 307, 311, 331, 421, 431, 449, 457, 461, 467, 479, 487, 491, 499, 503, 521, 523, 541, 547, 571, 607, 631, 641, 647, 661, 677 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`11(1+1=2=prime), 23(2+3=5=prime), 29(2+9=11=prime), 31(1+1=2=prime), etc.`
	CROSSREFS	`Cf. A000040.` `Sequence in context: A143584 A061752 A122259 this_sequence A090423 A086102 A058340` `Adjacent sequences: A157170 A157171 A157172 this_sequence A157174 A157175 A157176`
	KEYWORD	`nonn`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Feb 24 2009`
	EXTENSIONS	`Second 151 replaced by 251, 643 removed by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 26 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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