id:A046792 - OEIS Search Results

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Triangle of numbers where k-th row contains (ij)!/(i!j!) with i+j=k+1, 1<=i<=k.

+0
1

1, 1, 1, 1, 6, 1, 1, 60, 60, 1, 1, 840, 10080, 840, 1, 1, 15120, 3326400, 3326400, 15120, 1, 1, 332640, 1816214400, 36324288000, 1816214400, 332640, 1, 1, 8648640, 1482030950400, 844757641728000, 844757641728000, 1482030950400, 8648640, 1 (list; table; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`1; 1 1; 1 6 1; 1 60 60 1;...`
	CROSSREFS	`Sequence in context: A058875 A015117 A075377 this_sequence A111825 A085552 A002950` `Adjacent sequences: A046789 A046790 A046791 this_sequence A046793 A046794 A046795`
	KEYWORD	`nonn,tabl,easy`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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