id:A129748 - OEIS Search Results

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Numbers n such that the sum of the first n primes with the final digit 9 is prime.

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1, 3, 7, 11, 13, 19, 37, 39, 61, 73, 89, 107, 109, 113, 117, 147, 153, 159, 171, 173, 207, 241, 253, 307, 311, 329, 347, 419, 429, 461, 481, 491, 497, 509, 523, 529, 539, 543, 559, 613, 617, 631, 651, 691, 701, 703, 731, 737, 741, 753, 799, 809, 813, 823, 827 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=primes in A030433 added to obtain A129081(n)`
	CROSSREFS	`Cf. A129081; A000040; A304033.` `Sequence in context: A091250 A077256 A067542 this_sequence A078098 A059054 A109492` `Adjacent sequences: A129745 A129746 A129747 this_sequence A129749 A129750 A129751`
	KEYWORD	`easy,base,less,nonn`
	AUTHOR	`Tomas Xordan (xordan.tom(AT)gmail.com), May 14 2007`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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