A039949 - OEIS

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A039949

Primes of form 30n-13.

17, 47, 107, 137, 167, 197, 227, 257, 317, 347, 467, 557, 587, 617, 647, 677, 797, 827, 857, 887, 947, 977, 1097, 1187, 1217, 1277, 1307, 1367, 1427, 1487, 1607, 1637, 1667, 1697, 1787, 1847, 1877, 1907, 1997, 2027, 2087, 2207, 2237, 2267, 2297, 2357, 2417 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`This linear form produces the most primes for n between 1 and 1000 (411/ 1000)` `Primes congruent to 17 (mod 30). - O. E. Pol (info(AT)polprimos.com), Aug 15, 2007.` `Primes ending in 7 with (SOD-1)/3 non-integer where SOD is sum of digits. - Ki Punches`
	REFERENCES	`C. Clawson, Mathematical Mysteries, Plenum Press, 1996, p. 173`
	LINKS	`O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.`
	FORMULA	`a(n) = A158648(n)*30 + 17. - Chandler` `Intersection of A030432 and A007528. - Chandler`
	CROSSREFS	`Cf. A132230-A132236.` `Sequence in context: A128468 A031374 A201792 * A155841 A147058 A083296` `Adjacent sequences: A039946 A039947 A039948 * A039950 A039951 A039952`
	KEYWORD	`nonn`
	AUTHOR	`Felice Russo (frusso(AT)micron.com)`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 07 2009`

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Last modified February 13 21:09 EST 2012. Contains 205561 sequences.