A050167 T(n,k)=M(n,k,f(n,k)), 0<=k<=n, n >= 0, array M as in A050144 and f(n,k)=least number t for which M(n,k,t) is not 0.

1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 3, 1, 1, 3, 2, 5, 4, 1, 1, 4, 5, 5, 9, 5, 1, 1, 5, 9, 5, 14, 14, 6, 1, 1, 6, 14, 14, 14, 28, 20, 7, 1, 1, 7, 20, 28, 14, 42, 48, 27, 8, 1, 1, 8, 27, 48, 42, 42, 90, 75, 35, 9, 1, 1, 9, 35, 75, 90, 42, 132, 165, 110, 44

Offset: 0

Author

Clark Kimberling

Keywords

• nonn
• tabl

Comments

f(n,k)=-1 if 0<=k<=[ (n-1)/2 ], f(n,k)=2k-n if [ (n+1)/2 ]+1<=k<=n.

Examples

			Rows: {1}; {1,1}; {1,1,1}; {1,1,2,1}, ...