OFFSET
1,2
FORMULA
EXAMPLE
Table T(n, k) , n>=1 , 1<=k<=2*n-1.
n = 1 : 1 ;
n = 2 : 2, 4, 2 ;
n = 3 : 3, 6, 9, 6, 3 ;
n = 4 : 4, 8, 12, 16, 12, 8, 4 ;
n = 5 : 5, 10, 15, 20, 25, 20, 15, 10, 5 ;
n = 6 : 6, 12, 18, 24, 30, 36, 30, 24, 18, 12, 6 ;
n = 7 : 7, 14, 21, 28, 35, 42, 49, 42, 35, 28, 21, 14, 7 ;
n = 8 : 8, 16, 24, 32, 40, 48, 56, 64, 56, 48, 40, 32, 24, 16, 8 ;
...
MAPLE
T:= (n, k)-> n*min(k, 2*n-k):
seq(seq(T(n, k), k=1..2*n-1), n=1..10); # Alois P. Heinz, Feb 04 2023
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Philippe Deléham, Feb 04 2023
STATUS
approved