OFFSET
0,2
COMMENTS
Row sums give A052714 [From Tilman Neumann, Sep 07 2009]
Triangle T(n,k), read by rows, given by (2, 4, 6, 8, 10, 12, 14, ...) DELTA ((2, 4, 6, 8, 10, 12, 14, ...) where DELTA is the operator defined in A084938. - Philippe Deléham, Jan 07 2012
LINKS
More terms [From Tilman Neumann, Sep 07 2009]
FORMULA
T(n,k) = A085881(n,k)*2^n. - Philippe Deléham, Jan 07 2012
Recurrence equation: T(n+1,k) = (4*n+2)*(T(n,k) + T(n,k-1)). - Peter Bala, Jul 15 2012
E.g.f.: 1/sqrt(1-4*x-4*xy). - Peter Bala, Jul 15 2012
EXAMPLE
Triangle begins :
1
2, 2
12, 24, 12
120, 360, 360, 120
1680, 6720, 10080, 6720, 1680
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Tilman Neumann, Sep 02 2009
STATUS
approved