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 A090321 T(n,k) = prime(n+1) - prime(n-k+1), 1<=k<=n, triangular array read by rows. 1
 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, 6, 10, 12, 16, 18, 20, 21, 6, 10, 12, 16, 18, 22, 24, 26, 27, 2, 8, 12, 14, 18, 20, 24, 26, 28, 29, 6, 8, 14, 18, 20, 24, 26, 30, 32, 34, 35, 4, 10, 12, 18, 22, 24, 28, 30, 34, 36, 38 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row-reversed A086800. - R. J. Mathar, Sep 15 2012 LINKS Eric Weisstein's World of Mathematics, Prime Difference Function FORMULA T(n,1) = A001223(n); T(n,n) = A040976(n). EXAMPLE 1; 2, 3; 2, 4, 5; 4, 6, 8, 9; 2, 6, 8, 10, 11; 4, 6, 10, 12, 14, 15; CROSSREFS Cf. A000040. Sequence in context: A239690 A208460 A119465 * A241255 A174625 A178853 Adjacent sequences:  A090318 A090319 A090320 * A090322 A090323 A090324 KEYWORD nonn,tabl AUTHOR Reinhard Zumkeller, Jan 26 2004 STATUS approved

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Last modified May 26 19:38 EDT 2019. Contains 323597 sequences. (Running on oeis4.)