id:A031505 - OEIS Search Results

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Upper prime of a difference of 4 between primes.

+0
9

11, 17, 23, 41, 47, 71, 83, 101, 107, 113, 131, 167, 197, 227, 233, 281, 311, 317, 353, 383, 401, 443, 461, 467, 491, 503, 617, 647, 677, 743, 761, 773, 827, 857, 863, 881, 887, 911, 941, 971, 1013, 1091, 1097, 1217, 1283, 1301, 1307, 1427, 1433, 1451 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = A029710(n-1) + 4 = A029708(n) + 2.`
	MAPLE	`for i from 1 to 232 do if ithprime(i+1) = ithprime(i) + 4 then print({ithprime(i+1)}); fi; od; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 19 2007`
	CROSSREFS	`Essentially the same as A046132.` `Adjacent sequences: A031502 A031503 A031504 this_sequence A031506 A031507 A031508` `Sequence in context: A141250 A096454 A099722 this_sequence A094524 A098412 A136342`
	KEYWORD	`nonn`
	AUTHOR	`Jeff Burch (jmburch(AT)osprey.smcm.edu)`
	EXTENSIONS	`Corrected and extended by Henry Bottomley (se16(AT)btinternet.com), Jul 18 2000`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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