id:A138225 - OEIS Search Results

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Number of pairs (p,q) of primes with p<q<prime(n), p+q>prime(n), q+prime(n)>p, and prime(n)+p>q.

+0
2

0, 0, 0, 1, 1, 3, 4, 7, 9, 9, 14, 14, 20, 27, 33, 34, 37, 46, 49, 59, 71, 74, 86, 91, 89, 103, 119, 134, 152, 166, 143, 162, 173, 196, 193, 214, 225, 238, 264, 273, 287, 312, 312, 342, 369, 399, 381, 374, 407, 442, 474, 490, 522, 525, 545, 566, 587, 623, 646, 683 (list; graph; listen)

	OFFSET	`1,6`
	COMMENT	`A138226 = partial sums.`
	EXAMPLE	`A000040(7)=17: a(7) = #((7,11),(5,13),(7,13),(11,13)) = 4.`
	CROSSREFS	`Sequence in context: A101715 A075773 A087276 this_sequence A114889 A010444 A010398` `Adjacent sequences: A138222 A138223 A138224 this_sequence A138226 A138227 A138228`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 06 2008`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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