The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A134066 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A134066

Triangle = A134060 + A124928 - A007318.
(history; published version)

#5 by Jon E. Schoenfield at Fri Mar 25 00:36:44 EDT 2022

STATUS

proposed

approved

#4 by Jon E. Schoenfield at Fri Mar 25 00:14:52 EDT 2022

STATUS

editing

proposed

#3 by Jon E. Schoenfield at Fri Mar 25 00:14:49 EDT 2022

COMMENTS

Row sums = A134067: (1, 6, 14, 30, 62, 126, ...).

EXAMPLE

First few rows of the triangle are:

1;

2, 4;

2, 8, 4;

2, 12, 12, 4;

2, 16, 24, 16, 4;

2, 20, 40, 40, 20, 4;

...

STATUS

approved

editing

#2 by Russ Cox at Fri Mar 30 17:25:25 EDT 2012

AUTHOR

_Gary W. Adamson (qntmpkt(AT)yahoo.com), _, Oct 06 2007

Discussion

Fri Mar 30

17:25

OEIS Server: https://oeis.org/edit/global/135

#1 by N. J. A. Sloane at Sat Nov 10 03:00:00 EST 2007

NAME

Triangle = A134060 + A124928 - A007318.

DATA

1, 2, 4, 2, 8, 4, 2, 12, 12, 4, 2, 16, 24, 16, 4, 2, 20, 40, 40, 20, 4, 2, 24, 60, 80, 60, 24, 4, 2, 28, 84, 140, 140, 84, 28, 4, 2, 32, 112, 224, 280, 224, 112, 32, 42, 36, 144, 336, 504, 504, 336, 144, 36, 4

OFFSET

0,2

COMMENTS

Row sums = A134067: (1, 6, 14, 30, 62, 126,...).

FORMULA

Triangle as infinite lower triangular matrix, (A134060 + A124928 - A007318).

EXAMPLE

First few rows of the triangle are:

1;

2, 4;

2, 8, 4;

2, 12, 12, 4;

2, 16, 24, 16, 4;

2, 20, 40, 40, 20, 4;

...

CROSSREFS

Cf. A134060, A124928, A134067.

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 06 2007

STATUS

approved