A050167 - OEIS

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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.

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

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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