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A143084 Triangle sequence: t(n,m)=(n+m)!. 0
1, 1, 2, 2, 6, 24, 6, 24, 120, 720, 24, 120, 720, 5040, 40320, 120, 720, 5040, 40320, 362880, 3628800, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 40320 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Row sums are:

{1, 3, 32, 870, 46224, 4037880, 522956160, 93928267440, 22324392518400, 6780385526302080, 2561327494111411200}.

FORMULA

t(n,m)=(n+m)!.

EXAMPLE

{1},

{1, 2},

{2, 6, 24},

{6, 24, 120, 720},

{24, 120, 720, 5040, 40320},

{120, 720, 5040, 40320, 362880, 3628800},

{720, 5040, 40320, 362880, 3628800, 39916800, 479001600},

{5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200},

{40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200,1307674368000, 20922789888000},

{362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000,20922789888000, 355687428096000, 6402373705728000},

{3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 2432902008176640000}

MATHEMATICA

Clear[t, n, m]; t[n_, m_] := (n + m)!; Table[Table[t[n, m], {m, 0, n}], {n, 0, 10}]; Flatten[%]

CROSSREFS

Sequence in context: A188958 A069466 A141902 * A188962 A076741 A093453

Adjacent sequences:  A143081 A143082 A143083 * A143085 A143086 A143087

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula and Gary W. Adamson (rlbagulatftn(AT)yahoo.com), Oct 16 2008

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Last modified February 14 23:04 EST 2012. Contains 205686 sequences.