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 A194118 Triangular array: T(n,k)=C(n+2,k)+C(n+2,k+2), 0<=k<=n. 3
 2, 4, 4, 7, 8, 7, 11, 15, 15, 11, 16, 26, 30, 26, 16, 22, 42, 56, 56, 42, 22, 29, 64, 98, 112, 98, 64, 29, 37, 93, 162, 210, 210, 162, 93, 37, 46, 130, 255, 372, 420, 372, 255, 130, 46, 56, 176, 385, 627, 792, 792, 627, 385, 176, 56, 67, 232, 561, 1012, 1419 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..59. EXAMPLE Northwest corner: 2 4...4 7...8...7 11..15..15..11 16..26..30..26..16 MATHEMATICA T[n_, k_] := Binomial[n + 2, k] + Binomial[n + 2, k + 2] Flatten[Table[T[n, k], {n, 0, 10}, {k, 0, n}]] (* A194118 as a sequence *) TableForm[Table[T[n, k], {n, 0, 10}, {k, 0, n}]] (* A194118 as an array *) CROSSREFS Cf. A007318, A194119, A194120. Sequence in context: A139825 A347067 A164721 * A266188 A272881 A325646 Adjacent sequences: A194115 A194116 A194117 * A194119 A194120 A194121 KEYWORD nonn,tabl AUTHOR Clark Kimberling, Aug 16 2011 STATUS approved

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Last modified June 17 02:48 EDT 2024. Contains 373432 sequences. (Running on oeis4.)