The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A090450

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

A090450

Row sums of triangle A090447.
(history; published version)

#4 by R. J. Mathar at Wed Oct 10 03:11:22 EDT 2012

STATUS

editing

approved

#3 by R. J. Mathar at Wed Oct 10 03:11:17 EDT 2012

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 23 2003

Wolfdieter Lang, Dec 23 2003

STATUS

approved

editing

#2 by N. J. A. Sloane at Fri Feb 24 03:00:00 EST 2006

FORMULA

a(n)=sum(A090447(n, m), m=0..n), n>=0.

KEYWORD

nonn,easy,new

#1 by N. J. A. Sloane at Thu Feb 19 03:00:00 EST 2004

NAME

Row sums of triangle A090447.

DATA

1, 2, 5, 22, 221, 5556, 352897, 56909000, 23456163817, 24862388706622, 68125408037874461, 484697617517152241192, 8987761653844408528516645, 435751632681268773059903563592, 55389930392445599773550918556967161

OFFSET

0,2

FORMULA

a(n)=sum(A090447(n,m),m=0..n),n>=0.

CROSSREFS

Cf. A090451 (alternating row sums).

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 23 2003

STATUS

approved