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 A028263 Elements in 3-Pascal triangle A028262 (by row) that are not 1. 4
 3, 4, 4, 5, 8, 5, 6, 13, 13, 6, 7, 19, 26, 19, 7, 8, 26, 45, 45, 26, 8, 9, 34, 71, 90, 71, 34, 9, 10, 43, 105, 161, 161, 105, 43, 10, 11, 53, 148, 266, 322, 266, 148, 53, 11, 12, 64, 201, 414, 588, 588, 414, 201, 64, 12, 13, 76, 265, 615, 1002, 1176, 1002, 615, 265, 76, 13 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Rows of triangle formed using Pascal's rule except begin and end n-th row with n+3. LINKS Reinhard Zumkeller, Rows n=0..150 of triangle, flattened FORMULA T(n,k) = A007318(n,k) + A014410(n+2,k+1). [Reinhard Zumkeller, Mar 12 2012] EXAMPLE The triangle T(n,k) begins n\k  0  1   2   3    4    5    6   7   8  9 10 ... 0:   3 1:   4  4 2:   5  8   5 3:   6 13  13   6 4:   7 19  26  19    7 5:   8 26  45  45   26    8 6:   9 34  71  90   71   34    9 7:  10 43 105 161  161  105   43  10 8:  11 53 148 266  322  266  148  53  11 9:  12 64 201 414  588  588  414 201  64 12 10: 13 76 265 615 1002 1176 1002 615 265 76 13 ... Reformatted. - Wolfdieter Lang, Jun 28 2015 PROG (Haskell) a028263 n k = a028263_tabl !! n !! k a028263_row n = a028263_tabl !! n a028263_tabl = zipWith (zipWith (+)) a007318_tabl a014410_tabl -- Reinhard Zumkeller, Mar 12 2012 CROSSREFS Row sums give A051633(n). Sequence in context: A322407 A111914 A051665 * A059179 A279678 A222283 Adjacent sequences:  A028260 A028261 A028262 * A028264 A028265 A028266 KEYWORD nonn,tabl AUTHOR EXTENSIONS More terms from James A. Sellers STATUS approved

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Last modified May 27 05:48 EDT 2020. Contains 334649 sequences. (Running on oeis4.)