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 A193976 Mirror of the triangle A193975. 2
 2, 8, 3, 20, 11, 4, 40, 26, 14, 5, 70, 50, 32, 17, 6, 112, 85, 60, 38, 20, 7, 168, 133, 100, 70, 44, 23, 8, 240, 196, 154, 115, 80, 50, 26, 9, 330, 276, 224, 175, 130, 90, 56, 29, 10, 440, 375, 312, 252, 196, 145, 100, 62, 32, 11, 572, 495, 420, 348, 280, 217 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS A193976 is obtained by reversing the rows of the triangle A193975. LINKS FORMULA Write w(n,k) for the triangle at A193975.  The triangle at A193976 is then given by w(n,n-k). EXAMPLE First six rows: 2 8.....3 20....11...4 40....26...14...5 70....50...32...17...6 112...85...60...38...20...7 MATHEMATICA z = 11; p[0, x_] := 1; p[n_, x_] := x*p[n - 1, x] + n + 1; q[n_, x_] := p[n, x]; p1[n_, k_] := Coefficient[p[n, x], x^k]; p1[n_, 0] := p[n, x] /. x -> 0; d[n_, x_] := Sum[p1[n, k]*q[n - 1 - k, x], {k, 0, n - 1}] h[n_] := CoefficientList[d[n, x], {x}] TableForm[Table[Reverse[h[n]], {n, 0, z}]] Flatten[Table[Reverse[h[n]], {n, -1, z}]]  (* A193975 *) TableForm[Table[h[n], {n, 0, z}]] Flatten[Table[h[n], {n, -1, z}]]  (* A193976 *) CROSSREFS Cf. A193975. Sequence in context: A083003 A278117 A153188 * A264244 A292930 A126951 Adjacent sequences:  A193973 A193974 A193975 * A193977 A193978 A193979 KEYWORD nonn,tabl AUTHOR Clark Kimberling, Aug 10 2011 STATUS approved

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Last modified December 8 20:04 EST 2021. Contains 349596 sequences. (Running on oeis4.)