The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A174014 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A174014

Deleham triangle [1,1,-1,1,1,-1,1,...] DELTA [1,0,0,1,0,0,1,0,...], DELTA defined in A084938.
(history; published version)

#5 by Russ Cox at Fri Mar 30 18:59:26 EDT 2012

AUTHOR

_Paul Barry (pbarry(AT)wit.ie), _, Mar 05 2010

Discussion

Fri Mar 30

18:59

OEIS Server: https://oeis.org/edit/global/287

#4 by T. D. Noe at Sat Oct 29 13:26:14 EDT 2011

STATUS

proposed

approved

#3 by DELEHAM Philippe at Fri Oct 28 17:09:35 EDT 2011

STATUS

editing

proposed

#2 by DELEHAM Philippe at Fri Oct 28 17:09:23 EDT 2011

NAME

Deleham triangle [1,1,-1,1,1,-1,1,...] DELTA [1,0,0,1,0,0,1,0,...], DELTA defined in A084938.

KEYWORD

easy,sign,tabl

STATUS

approved

editing

#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

NAME

Deleham triangle [1,1,-1,1,1,-1,1,...] DELTA [1,0,0,1,0,0,1,0,...].

DATA

1, 1, 1, 2, 3, 1, 3, 7, 5, 1, 4, 13, 15, 7, 1, 4, 19, 33, 26, 9, 1, 2, 19, 53, 66, 40, 11, 1, -3, 3, 51, 115, 115, 57, 13, 1, -10, -37, -19, 103, 215, 183, 77, 15, 1, -14, -89, -193, -120, 173, 364, 273, 100, 17, 1, -4, -91, -387, -664, -406, 252, 574, 388, 126, 19, 1

OFFSET

0,4

COMMENTS

First column is A174015. Row sums are A174016. Diagonal sums are A174013.

EXAMPLE

Triangle begins

1,

1, 1,

2, 3, 1,

3, 7, 5, 1,

4, 13, 15, 7, 1,

4, 19, 33, 26, 9, 1,

2, 19, 53, 66, 40, 11, 1,

-3, 3, 51, 115, 115, 57, 13, 1,

-10, -37, -19, 103, 215, 183, 77, 15, 1,

-14, -89, -193, -120, 173, 364, 273, 100, 17, 1

KEYWORD

easy,sign

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 05 2010

STATUS

approved