|
| |
|
|
A037953
|
|
C(n,[ (n-5)/2 ]).
|
|
3
|
|
|
|
0, 0, 0, 0, 0, 1, 1, 7, 8, 36, 45, 165, 220, 715, 1001, 3003, 4368, 12376, 18564, 50388, 77520, 203490, 319770, 817190, 1307504, 3268760, 5311735, 13037895, 21474180, 51895935, 86493225, 206253075
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,8
|
|
|
LINKS
|
Table of n, a(n) for n=0..31.
|
|
|
FORMULA
|
a(n) = binomial(n, A004526(n-5)). - Wesley Ivan Hurt, Nov 28 2013
Conjecture: -(n+6)*(n-5)*a(n) +2*(n)*a(n-1) +4*(n-1)*n*a(n-2)=0. - R. J. Mathar, Jul 26 2015
|
|
|
MAPLE
|
A037953:=n->binomial(n, floor((n-5)/2)); seq(A037953(n), n=0..50); # Wesley Ivan Hurt, Nov 28 2013
|
|
|
MATHEMATICA
|
Table[Binomial[n, Floor[(n-5)/2]], {n, 0, 40}] (* Harvey P. Dale, Oct 11 2012 *)
|
|
|
CROSSREFS
|
Cf. A004526.
Sequence in context: A154745 A048064 A122605 * A296636 A041106 A303732
Adjacent sequences: A037950 A037951 A037952 * A037954 A037955 A037956
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
N. J. A. Sloane.
|
|
|
STATUS
|
approved
|
| |
|
|
