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A153273 A Gamma function-based triangular sequence: t(n,m)=m^(n + 1)*Gamma[n + (2*m - 1)/m]/Gamma[(m - 1)/m]. +0
1
1, 2, 10, 3, 21, 231, 4, 36, 504, 9576, 5, 55, 935, 21505, 623645, 6, 78, 1560, 42120, 1432080, 58715280, 7, 105, 2415, 74865, 2919735, 137227545, 7547514975, 8, 136, 3536, 123760, 5445440, 288608320, 17893715840, 1270453824640, 9, 171, 4959 (list; table; graph; listen)
OFFSET

0,2

COMMENT

Row sums are:

{1, 12, 255, 10120, 646145, 60191124, 7687739647, 1288641721680,

274338952977249, 72299818200530140}

FORMULA

t(n,m)=m^(n + 1)*Gamma[n + (2*m - 1)/m]/Gamma[(m - 1)/m].

EXAMPLE

{1},

{2, 10},

{3, 21, 231},

{4, 36, 504, 9576},

{5, 55, 935, 21505, 623645},

{6, 78, 1560, 42120, 1432080, 58715280},

{7, 105, 2415, 74865, 2919735, 137227545, 7547514975},

{8, 136, 3536, 123760, 5445440, 288608320, 17893715840, 1270453824640},

{9, 171, 4959, 193401, 9476649, 559122291, 38579438079, 3047775608241, 271252029133449},

{10, 210, 6720, 288960, 15603840, 1014249600, 77082969600, 6706218355200, 657209398809600, 71635824470246400}

MATHEMATICA

t[n_, m_] = m^(n + 1)*Gamma[n + (2*m - 1)/m]/Gamma[(m - 1)/m];

Table[Table[FullSimplify[t[n, m]], {n, 0, m - 2}], {m, 2, 11}];

Flatten[%]

CROSSREFS

Sequence in context: A060466 A061196 A120862 this_sequence A102512 A029673 A054790

Adjacent sequences: A153270 A153271 A153272 this_sequence A153274 A153275 A153276

KEYWORD

nonn,tabl,uned

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Dec 22 2008

page 1

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Last modified November 24 14:21 EST 2009. Contains 167438 sequences.


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