# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a090321 Showing 1-1 of 1 %I A090321 #5 Sep 15 2012 14:44:56 %S A090321 1,2,3,2,4,5,4,6,8,9,2,6,8,10,11,4,6,10,12,14,15,2,6,8,12,14,16,17,4, %T A090321 6,10,12,16,18,20,21,6,10,12,16,18,22,24,26,27,2,8,12,14,18,20,24,26, %U A090321 28,29,6,8,14,18,20,24,26,30,32,34,35,4,10,12,18,22,24,28,30,34,36,38 %N A090321 T(n,k) = prime(n+1) - prime(n-k+1), 1<=k<=n, triangular array read by rows. %C A090321 Row-reversed A086800. - _R. J. Mathar_, Sep 15 2012 %H A090321 Eric Weisstein's World of Mathematics, Prime Difference Function %F A090321 T(n,1) = A001223(n); T(n,n) = A040976(n). %e A090321 1; %e A090321 2, 3; %e A090321 2, 4, 5; %e A090321 4, 6, 8, 9; %e A090321 2, 6, 8, 10, 11; %e A090321 4, 6, 10, 12, 14, 15; %Y A090321 Cf. A000040. %K A090321 nonn,tabl %O A090321 1,2 %A A090321 _Reinhard Zumkeller_, Jan 26 2004 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE