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A141695 Triangle T(n,m) = A120070(n,m)-A143814(n,m) read by rows, 1<=m<n. 0
0, 3, -3, 3, 5, -8, 3, 5, 7, -15, 3, 5, 7, 9, -24, 3, 5, 7, 9, 11, -35, 3, 5, 7, 9, 11, 13, -48, 3, 5, 7, 9, 11, 13, 15, -63, 3, 5, 7, 9, 11, 13, 15, 17, -80, 3, 5, 7, 9, 11, 13, 15, 17, 19, -99, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, -120 (list; table; graph; refs; listen; history; internal format)
OFFSET

2,2

COMMENTS

Row sums are sum_{1<=m<n} T(n,m)=0.

FORMULA

T(n,n-1) = -A005563(n-2).

T(n,m) = 2*m+1, m<n-1.

EXAMPLE

0

3 -3

3 5 -8

3 5 7 -15

3 5 7 9 -24

3 5 7 9 11 -35

3 5 7 9 11 13 -48

3 5 7 9 11 13 15 -63

3 5 7 9 11 13 15 17 -80

CROSSREFS

Sequence in context: A182998 A117900 A122519 * A100026 A100049 A158315

Adjacent sequences:  A141692 A141693 A141694 * A141696 A141697 A141698

KEYWORD

sign,easy,tabl

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Sep 11 2008

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.