OFFSET
0,5
COMMENTS
Conjecture: column k>0 is asymptotic to (exp(-k+1) - exp(-k)) * 2^(n + 1/2) * n^n / exp(n). - Vaclav Kotesovec, Oct 25 2017
EXAMPLE
Triangle T(n,k) begins:
1;
0, 1;
0, 2, 1;
0, 10, 4, 1;
0, 69, 26, 9, 1;
0, 616, 230, 79, 19, 1;
0, 6740, 2509, 854, 252, 39, 1;
0, 87291, 32422, 11105, 3441, 796, 79, 1;
0, 1305710, 484180, 167273, 52938, 14296, 2468, 159, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Alois P. Heinz, Oct 18 2017
STATUS
approved