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A153512
Triangle T(n,m) = (A006882(2*n + 1))^2 / ( A006882(2*m+1) * A006882(2*n-2*m+1) ).
1
1, 3, 3, 15, 25, 15, 105, 245, 245, 105, 945, 2835, 3969, 2835, 945, 10395, 38115, 68607, 68607, 38115, 10395, 135135, 585585, 1288287, 1656369, 1288287, 585585, 135135, 2027025, 10135125, 26351325, 41409225, 41409225, 26351325, 10135125, 2027025
OFFSET
0,2
COMMENTS
Row sums are 1, 6, 55, 700, 11529, 234234, 5674383, 159845400, 5136642225, 185498257230, 7438043704455...
LINKS
FORMULA
T(n,m)= A006882(2*n + 1)*Pi*Gamma(2*n + 2)/(n!*4^(n + 1)*Gamma(m + 3/2)*Gamma(n + 3/2 - m) ).
EXAMPLE
1;
3, 3;
15, 25, 15;
105, 245, 245, 105;
945, 2835, 3969, 2835, 945;
10395, 38115, 68607, 68607, 38115, 10395;
135135, 585585, 1288287, 1656369, 1288287, 585585, 135135;
2027025, 10135125, 26351325, 41409225, 41409225, 26351325, 10135125, 2027025;
34459425, 195270075, 585810225, 1087933275, 1329696225, 1087933275, 585810225, 195270075, 34459425;
654729075, 4146617475, 14098499415, 30211070175, 43638212475, 43638212475, 30211070175, 14098499415, 4146617475, 654729075;
13749310575, 96245174025, 365731661295, 888205463145, 1480342438575, 1749495609225, 1480342438575, 888205463145, 365731661295, 96245174025, 13749310575;
MATHEMATICA
T[n_, m_] = (2*n + 1)!!* Pi*Gamma[2*n + 2]/(n!*4^(n + 1)*Gamma[m + 3/ 2]*Gamma[n + 3/2 - m]);
Table[Table[T[n, m], {m, 0, n}], {n, 0, 10}];
Flatten[%]
CROSSREFS
Sequence in context: A157526 A208229 A269956 * A369358 A127328 A002891
KEYWORD
nonn,tabl
AUTHOR
Roger L. Bagula, Dec 28 2008
EXTENSIONS
Definition replaced by an integer expression by the Assoc. Editors of the OEIS, Feb 24 2010
STATUS
approved