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A132230 Primes congruent to 1 (mod 30). 10
31, 61, 151, 181, 211, 241, 271, 331, 421, 541, 571, 601, 631, 661, 691, 751, 811, 991, 1021, 1051, 1171, 1201, 1231, 1291, 1321, 1381, 1471, 1531, 1621, 1741, 1801, 1831, 1861, 1951, 2011, 2131, 2161, 2221, 2251, 2281, 2311, 2341, 2371, 2521, 2551, 2671 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Also primes congruent to 1 (mod 15). - N. J. A. Sloane (njas(AT)research.att.com), Jul 11 2008

Primes ending in 1 with (SOD-1)/3 integer where SOD is sum of digits. - Ki Punches (ki(AT)kispy.net), Feb 04 2009

LINKS

C. K. Caldwell, The Prime Pages.

O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.

FORMULA

a(n) = A111175(n)*30 + 1. - Chandler

Intersection of A030430 and A002476. - Chandler

CROSSREFS

Cf. A057204, A068228, A129805, A039949, A132231-A132236.

Sequence in context: A054804 A128470 A195744 * A136066 A114991 A139892

Adjacent sequences:  A132227 A132228 A132229 * A132231 A132232 A132233

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Aug 15 2007

EXTENSIONS

Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 07 2009

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Last modified February 17 14:49 EST 2012. Contains 206049 sequences.