The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A144417 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A144417

Triangle in A144385 read upwards by columns.
(history; published version)

#4 by N. J. A. Sloane at Tue Jan 21 12:30:22 EST 2014

AUTHOR

_David Applegate _ and N. J. A. Sloane, Dec 07 2008

Discussion

Tue Jan 21

12:30

OEIS Server: https://oeis.org/edit/global/2096

#3 by Russ Cox at Fri Mar 30 16:51:00 EDT 2012

AUTHOR

David Applegate and _N. J. A. Sloane (njas(AT)research.att.com), _, Dec 07 2008

Discussion

Fri Mar 30

16:51

OEIS Server: https://oeis.org/edit/global/110

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,tabl,new

AUTHOR

David Applegate and N. J. A. Sloane (njas, (AT)research.att.com), Dec 07 2008

#1 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

NAME

Triangle in A144385 read upwards by columns.

DATA

1, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 6, 7, 0, 0, 1, 10, 25, 10, 0, 0, 1, 15, 65, 75, 10, 0, 0, 1, 21, 140, 315, 175, 0, 0, 0, 1, 28, 266, 980, 1225, 280, 0, 0, 0, 1, 36, 462, 2520, 5565, 3780, 280, 0, 0, 0, 1, 45, 750, 5670, 19425, 26145, 9100, 0, 0, 0, 0, 1, 55

OFFSET

0,8

EXAMPLE

Triangle begins:

1

1,0

1,1,0

1,3,1,0

1,6,7,0,0

1,10,25,10,0,0

1,15,65,75,10,0,0

1,21,140,315,175,0,0,0

CROSSREFS

Column sums give A001680. Cf. A144385.

KEYWORD

nonn,tabl

AUTHOR

David Applegate and njas, Dec 07 2008

STATUS

approved