id:A105728 - OEIS Search Results

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Triangle read by rows: T(n,1)=1, T(n,n)=n, and for 1<k<n: T(n,k)=T(n-1,k-1)+2*T(n-1,k).

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4

1, 1, 2, 1, 5, 3, 1, 11, 11, 4, 1, 23, 33, 19, 5, 1, 47, 89, 71, 29, 6, 1, 95, 225, 231, 129, 41, 7, 1, 191, 545, 687, 489, 211, 55, 8, 1, 383, 1281, 1919, 1665, 911, 321, 71, 9, 1, 767, 2945, 5119, 5249, 3487, 1553, 463, 89, 10, 1, 1535, 6657, 13183, 15617, 12223, 6593 (list; table; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Sum of n-th row = 3^(n-1): Sum(T(n,k): 1<=k<=n) = A000244(n-1);` `for n>1: T(n,2) = A083329(n-1), T(n,n-1) = A028387(n-2).`
	CROSSREFS	`Sequence in context: A115345 A140165 A104731 this_sequence A120095 A130197 A106513` `Adjacent sequences: A105725 A105726 A105727 this_sequence A105729 A105730 A105731`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Apr 18 2005`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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