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A104010
Sum of two successive sexy primes.
2
16, 20, 28, 32, 40, 52, 68, 80, 88, 100, 112, 128, 140, 152, 172, 200, 208, 212, 220, 268, 308, 320, 340, 352, 388, 392, 452, 460, 472, 508, 520, 532, 548, 560, 620, 628, 668, 700, 712, 740, 752, 772, 872, 892, 920, 928, 1012, 1088, 1120, 1132, 1148, 1180, 1192
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Sexy Primes. [The definition in this webpage is unsatisfactory, because it defines a "sexy prime" as a pair of primes.- N. J. A. Sloane, Mar 07 2021].
FORMULA
a(n)= A023201(n)+A046117(n) = 2*A087695(n). [From R. J. Mathar, Nov 26 2008]
MAPLE
A104010 := proc(n)
2*A023201(n)+6 ;
end proc: # R. J. Mathar, May 28 2013
CROSSREFS
Sequence in context: A161424 A248428 A088449 * A102544 A152022 A213241
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Mar 31 2005
EXTENSIONS
20 added, 84 removed, extended by R. J. Mathar, Nov 26 2008
STATUS
approved