OFFSET
1,5
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
FORMULA
EXAMPLE
The first few rows of the triangle are:
1;
1, 1;
1, 3, 1;
1, 4, 5, 1;
1, 5, 10, 7, 1;
1, 6, 15, 19, 9, 1;
1, 7, 31, 35, 31, 11, 1;
...
MATHEMATICA
Table[Binomial[n+1, k]-Binomial[k, n-k+1], {n, 0, 20}, {k, 0, n}]//Flatten (* Harvey P. Dale, Jan 16 2024 *)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Mar 20 2005
EXTENSIONS
Better definition from Paul Barry, Jun 26 2007
More terms from Harvey P. Dale, Jan 16 2024
STATUS
approved