The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A103719 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A103719

Column m=2 sequence of triangle A103718(n,m), n >= 0 (without leading zeros).
(history; published version)

#6 by Bruno Berselli at Mon Jun 29 10:48:47 EDT 2020

STATUS

proposed

approved

#5 by Petros Hadjicostas at Mon Jun 29 10:37:53 EDT 2020

STATUS

editing

proposed

#4 by Petros Hadjicostas at Mon Jun 29 10:09:13 EDT 2020

NAME

Column m=2 sequence of triangle A103718(n,m), n >= 0, (without leading zeros).

FORMULA

a(n) = |S1(n+3, 3)| + |S1(n+3, 4)| = |S1(n+4, 4)| - (n+2)*|S1(n+3, 4)|, with S1(n, m):= A048994(n, m), n >=> m >= 0 (Stirling1 triangle).

CROSSREFS

Cf. A048994, A103718.

STATUS

approved

editing

#3 by Charles R Greathouse IV at Fri Oct 12 14:40:23 EDT 2012

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Feb 24 2005

Wolfdieter Lang, Feb 24 2005

Discussion

Fri Oct 12

14:40

OEIS Server: https://oeis.org/edit/global/1838

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

FORMULA

a(n)= |S1(n+3, 3)| + |S1(n+3, 4)|= |S1(n+4, 4)|-(n+2)*|S1(n+3, 4)|, with S1(n, m):= A048994(n, m), n>=>m=0 (Stirling1 triangle).

KEYWORD

nonn,easy,new

#1 by N. J. A. Sloane at Sat Apr 09 03:00:00 EDT 2005

NAME

Column m=2 sequence of triangle A103718(n,m), n>=0, (without leading zeros).

DATA

1, 7, 45, 310, 2359, 19901, 185408, 1896380, 21163076, 256176052, 3345574440, 46910470152, 703146058224, 11222813318544, 190069993713024, 3404916420352128, 64333503601542144, 1278725806081645056

OFFSET

0,2

FORMULA

a(n)= |S1(n+3,3)| + |S1(n+3,4)|= |S1(n+4,4)|-(n+2)*|S1(n+3,4)|, with S1(n,m):= A048994(n,m), n>=>m=0 (Stirling1 triangle).

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Feb 24 2005

STATUS

approved