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A028263 Elements in 3-Pascal triangle A028262 (by row) that are not 1.

%I A028263 #20 Jul 02 2025 16:01:55
%S A028263 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,
%T A028263 9,10,43,105,161,161,105,43,10,11,53,148,266,322,266,148,53,11,12,64,
%U A028263 201,414,588,588,414,201,64,12,13,76,265,615,1002,1176,1002,615,265,76,13
%N A028263 Elements in 3-Pascal triangle A028262 (by row) that are not 1.
%C A028263 Rows of triangle formed using Pascal's rule except begin and end n-th row with n+3.
%H A028263 Reinhard Zumkeller, <a href="/A028263/b028263.txt">Rows n=0..150 of triangle, flattened</a>
%H A028263 <a href="/index/Pas#Pascal">Index entries for triangles and arrays related to Pascal's triangle</a>
%F A028263 T(n,k) = A007318(n,k) + A014410(n+2,k+1). [_Reinhard Zumkeller_, Mar 12 2012]
%e A028263 The triangle T(n,k) begins
%e A028263 n\k  0  1   2   3    4    5    6   7   8  9 10 ...
%e A028263 0:   3
%e A028263 1:   4  4
%e A028263 2:   5  8   5
%e A028263 3:   6 13  13   6
%e A028263 4:   7 19  26  19    7
%e A028263 5:   8 26  45  45   26    8
%e A028263 6:   9 34  71  90   71   34    9
%e A028263 7:  10 43 105 161  161  105   43  10
%e A028263 8:  11 53 148 266  322  266  148  53  11
%e A028263 9:  12 64 201 414  588  588  414 201  64 12
%e A028263 10: 13 76 265 615 1002 1176 1002 615 265 76 13
%e A028263 ... Reformatted. - _Wolfdieter Lang_, Jun 28 2015
%o A028263 (Haskell)
%o A028263 a028263 n k = a028263_tabl !! n !! k
%o A028263 a028263_row n = a028263_tabl !! n
%o A028263 a028263_tabl = zipWith (zipWith (+)) a007318_tabl a014410_tabl
%o A028263 -- _Reinhard Zumkeller_, Mar 12 2012
%Y A028263 Row sums give A051633(n).
%K A028263 nonn,tabl
%O A028263 0,1
%A A028263 _Mohammad K. Azarian_
%E A028263 More terms from _James Sellers_