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A143084 Triangle read by rows: T(n,m) = (n + m)!. 1
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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Row sums are: 1, 3, 32, 870, 46224, 4037880, 522956160, 93928267440, 22324392518400, 6780385526302080, 2561327494111411200, ...

LINKS

Jinyuan Wang, Rows n = 0..50 of triangle, flattened

FORMULA

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

EXAMPLE

Triangle begins:

{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},

...

MATHEMATICA

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

CROSSREFS

Cf. A000142.

Sequence in context: A188958 A141902 A069466 * A188962 A076741 A320603

Adjacent sequences:  A143081 A143082 A143083 * A143085 A143086 A143087

KEYWORD

nonn,easy,tabl

AUTHOR

Roger L. Bagula and Gary W. Adamson, Oct 16 2008

EXTENSIONS

Offset changed to 0 by Jinyuan Wang, Dec 19 2020

STATUS

approved

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Last modified September 28 20:34 EDT 2022. Contains 357081 sequences. (Running on oeis4.)