OFFSET
0,2
COMMENTS
Triangle given by [4,0,8,0,12,0,16,0,20,0,24,0,28,0,...] DELTA [1,1,2,2,3,3,4,4,5,5,6,6,...] where DELTA is the operator defined in A084938. - Philippe Deléham, Jun 04 2009
LINKS
Toufik Mansour, Generalization of some identities involving the Fibonacci numbers, arXiv:math/0301157 [math.CO], 2003.
FORMULA
T(n, k) = A028246(n+1, k+1)*4^(n-k) = Stirling2(n+1, k+1)*k!*4^(n-k), see A008277. - Philippe Deléham, Oct 02 2005
EXAMPLE
Triangle begins:
1;
4, 1;
16, 12, 2;
64, 112, 48, 6;
256, 960, 800, 240, 24;
1024, 7936, 11520, 6240, 1440, 120;
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Ralf Stephan, Oct 21 2004
STATUS
approved