Revision History for A026570
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing all changes.
|
| |
| |
| |
|
|
#6 by R. J. Mathar at Sun Jun 23 12:03:02 EDT 2013
| |
| |
| |
|
|
#5 by R. J. Mathar at Sun Jun 23 12:02:57 EDT 2013
|
|
| FORMULA
|
Conjecture: (n+1)*a(n) -2*n*a(n-1) +(-3*n-1)*a(n-2) +2*(2*n-3)*a(n-3)=0. - R. J. Mathar, Jun 23 2013
|
|
| STATUS
|
approved
editing
|
| |
| |
|
|
#4 by Russ Cox at Fri Mar 30 18:56:09 EDT 2012
| |
| |
|
|
Discussion
|
| Fri Mar 30
| 18:56
| OEIS Server: https://oeis.org/edit/global/285
|
| |
| |
|
|
#3 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003
|
|
| NAME
|
a(n)=T(n,n-1), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.
|
|
| COMMENTS
|
Also a(n)=T'(n,n-1), T' given by A026584. Also a(n) = number of integer strings s(0),...,s(n) counted by T' such that s(n)=1.
|
|
| KEYWORD
|
nonn,new
nonn
|
|
| AUTHOR
|
Clark Kimberling, (ck6(AT)evansville.edu)
|
| |
| |
|
|
#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
|
|
| KEYWORD
|
nonn,new
nonn
|
|
| AUTHOR
|
Clark Kimberling, ck6@cedar.(AT)evansville.edu
|
| |
| |
|
|
#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999
|
|
| NAME
|
a(n)=T(n,n-1), T given by A026568. Also a(n) = number of integer strings s(0),...,s(n) counted by T, such that s(n)=1.
|
|
| DATA
|
1, 1, 4, 7, 20, 43, 111, 259, 648, 1565, 3885, 9533, 23662, 58547, 145630, 362151, 903110, 2253615, 5633359, 14094035, 35304658, 88511733, 222115782, 557819793, 1401987930, 3526066273, 8874034647, 22346581133, 56304982154
|
|
| OFFSET
|
1,3
|
|
| KEYWORD
|
nonn
|
|
| AUTHOR
|
Clark Kimberling, ck6@cedar.evansville.edu
|
|
| STATUS
|
approved
|
| |
| |
|
|
