OFFSET
0,3
EXAMPLE
Triangle starts:
1;
1, 2;
1, 4, 4;
3, 6, 12, 8;
2, 24, 24, 32, 16;
10, 20, 120, 80, 80, 32;
5, 120, 120, 480, 240, 192, 64;
35, 70, 840, 560, 1680, 672, 448, 128;
14, 560, 560, 4480, 2240, 5376, 1792, 1024, 256;
MAPLE
T := (n, k) -> 2^k*binomial(n, k)*((n-k)!/floor((n-k)/2)!^2)/(floor((n-k)/2)+1);
seq(seq(T(n, k), k=0..n), n=0..9);
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Peter Luschny, Jul 14 2016
STATUS
approved