|
|
A086228
|
|
Determinant of n X n matrix M(i,j)=binomial(2i+1, j).
|
|
2
|
|
|
1, 3, 15, 140, 2520, 88704, 6150144, 843448320, 229417943040, 123987652771840, 133311524260282368, 285432092670742757376, 1217843595395169098137600, 10360289146303272377017958400, 175805226564926843718814452940800
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
|
|
FORMULA
|
a(n) = 2^(n*(n-3)/2)*(n+1)*binomial(2*n+1, n)
|
|
MATHEMATICA
|
Table[2^(n*(n-3)/2)*(n+1)*Binomial[2*n+1, n], {n, 0, 30}] (* G. C. Greubel, Jan 25 2018 *)
|
|
PROG
|
(PARI) for(n=0, 30, print1(2^(n*(n-3)/2)*(n+1)*binomial(2*n+1, n), ", ")) \\ G. C. Greubel, Jan 25 2018
(Magma) [2^(n*(n-3)/2)*(n+1)*Binomial(2*n+1, n): n in [0..30]]; // G. C. Greubel, Jan 25 2018
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|