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

0,9

Comments

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

Links

Table of n, a(n) for n=0..75.

Example

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

Crossrefs

Sequence in context: A269971 A276605 A047060 * A047050 A205028 A325055

Adjacent sequences: A050164 A050165 A050166 * A050168 A050169 A050170

Keyword

nonn,tabl

Author

Clark Kimberling

Status

approved