OFFSET
0,3
LINKS
Alois P. Heinz, Rows n = 0..10, flattened
FORMULA
T(n,k) = T(k,n). T(n,0)=1 (the empty matrix).
G.f. column k=2 polynomial is -(1+x)*(6*x^4-18*x^3+19*x^2+2*x+1)/(x-1)^7.
EXAMPLE
1
1 4
1 10 70
1 20 316 3380
1 35 1045 23259 344279
1 56 2806 112976 3286101 63241196
1 84 6510 427440 21787375 789333776 18937075894
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. J. Mathar, Mar 20 2018
EXTENSIONS
More terms from Alois P. Heinz, Mar 20 2018
STATUS
approved