This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A038609 Numbers that are the sum of 2 different primes. 14
 5, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 52, 54, 55, 56, 58, 60, 61, 62, 63, 64, 66, 68, 69, 70, 72, 73, 74, 75 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS R. J. Mathar, Table of n, a(n) for n = 1..9225 MAPLE isA038609 := proc(n)     local i, p, q;     for i from 1 do         p := ithprime(i) ;         if 2*p > n then             return false;         fi;         q := n-p ;         if q <= p then             return false ;         end if;         if isprime(q) then             return true;         end if;     end do: end proc: n :=1 : for c from 1 do     if isA038609(c) then         printf("%d %d\n", n, c) ;         n := n+1 ;     end if; end do: # R. J. Mathar, Jun 09 2014 CROSSREFS Cf. A014091. Sequence in context: A043694 A043602 A243624 * A078892 A164374 A072281 Adjacent sequences:  A038606 A038607 A038608 * A038610 A038611 A038612 KEYWORD nonn AUTHOR Vasiliy Danilov (danilovv(AT)usa.net) 1998 Jul STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 15 20:04 EDT 2019. Contains 328037 sequences. (Running on oeis4.)