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 A119732 f-Pascal's triangle where f(n) = n*(n+1)/2 = A000217(n). 0
 1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 11, 20, 11, 1, 1, 67, 276, 276, 67, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS FORMULA T(n,k) = f(T(n-1,k-1)) + f(T(n-1,k))where f(n) = n*(n+1)/2 = A000217(n); T(0;0) = 1 ; T(n,k) = 0 if k<0 or if k>n. EXAMPLE Triangle begins: 1; 1, 1; 1, 2, 1; 1, 4, 4, 1; 1, 11, 20, 11, 1; 1, 67, 276, 276, 67, 1; CROSSREFS Cf. A007318. Sequence in context: A307139 A078121 A333157 * A260625 A306614 A264336 Adjacent sequences:  A119729 A119730 A119731 * A119733 A119734 A119735 KEYWORD nonn,tabl AUTHOR Philippe Deléham, Jun 14 2006 STATUS approved

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Last modified April 20 05:46 EDT 2021. Contains 343121 sequences. (Running on oeis4.)