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 A143333 Pascal's triangle binomial(n,m) read by rows, all even elements replaced by zero. 4
 1, 1, 1, 1, 0, 1, 1, 3, 3, 1, 1, 0, 0, 0, 1, 1, 5, 0, 0, 5, 1, 1, 0, 15, 0, 15, 0, 1, 1, 7, 21, 35, 35, 21, 7, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 9, 0, 0, 0, 0, 0, 0, 9, 1, 1, 0, 45, 0, 0, 0, 0, 0, 45, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,8 COMMENTS Row sums are A088560. A047999(n,k) = A057427(T(n,k)). - Reinhard Zumkeller, Oct 24 2010 LINKS Reinhard Zumkeller, Rows n = 0..127 of triangle, flattened FORMULA T(n,m) = A047999(n,m)*A007318(n,m). EXAMPLE The triangle starts in row n=0 with columns 0<=m<=n as:   1;   1,  1;   1,  0,  1;   1,  3,  3,  1;   1,  0,  0,  0,  1;   1,  5,  0,  0,  5,  1;   1,  0, 15,  0, 15,  0,  1;   1,  7, 21, 35, 35, 21,  7,  1;   1,  0,  0,  0,  0,  0,  0,  0,  1;   1,  9,  0,  0,  0,  0,  0,  0,  9,  1;   1,  0, 45,  0,  0,  0,  0,  0, 45,  0,  1; MATHEMATICA t[n_, m_] = Mod[Binomial[n, m], 2]*Binomial[n, m]; Table[Table[t[n, m], {m, 0, n}], {n, 0, 10}]; Flatten[%] PROG (Haskell) a143333 n k = a143333_tabl !! (n-1) !! (k-1) a143333_row n = a143333_tabl !! (n-1) a143333_tabl = zipWith(zipWith (*)) a007318_tabl a047999_tabl -- Reinhard Zumkeller, Oct 10 2013 CROSSREFS Cf. A007318, A014421, A047999, A088560. - Reinhard Zumkeller, Oct 24 2010 Sequence in context: A122850 A132062 A065547 * A283798 A065551 A283797 Adjacent sequences:  A143330 A143331 A143332 * A143334 A143335 A143336 KEYWORD nonn,tabl,easy,look AUTHOR Roger L. Bagula and Gary W. Adamson, Oct 21 2008 EXTENSIONS Offset set to 0 by Reinhard Zumkeller, Oct 21 2010 STATUS approved

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Last modified April 22 22:19 EDT 2021. Contains 343197 sequences. (Running on oeis4.)