OFFSET
2,1
LINKS
EXAMPLE
3; 4,5; 5,6,7; 7,8,9,11; ...
MAPLE
seq(seq((ithprime(i)+ithprime(j))/2, j=2..i), i=2..20)
PROG
(Haskell)
import Data.List (inits)
a065305 n k = a065305_tabl !! (n-2) !! (k - 1)
a065305_row n = a065305_tabl !! (n-2)
a065305_tabl = zipWith (map . (flip div 2 .) . (+))
a065091_list $ tail $ inits a065091_list
-- Reinhard Zumkeller, Aug 02 2015, Jan 30 2012
CROSSREFS
KEYWORD
AUTHOR
Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Oct 29 2001
STATUS
approved