A050177 T(n,k)=M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the next-to-least t for which M0(n,k,t) is not 0.

1, 1, 1, 1, 3, 1, 1, 4, 4, 1, 1, 5, 9, 5, 1, 1, 6, 14, 14, 6, 1, 1, 7, 20, 28, 20, 7, 1, 1, 8, 27, 48, 48, 27, 8, 1, 1, 9, 35, 75, 90, 75, 35, 9, 1, 1, 10, 44, 110, 165, 165, 110, 44, 10, 1, 1, 11, 54, 154, 275, 297, 275, 154, 54, 11, 1, 1, 12, 65, 208, 429, 572, 572

Offset

3,5

Comments

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

Links

Table of n, a(n) for n=3..75.

Example

Rows: {1}; {1,1}; {1,3,1}; {1,4,4,1}; ... (all palindromes)

Crossrefs

Sequence in context: A132735 A028262 A173117 * A013580 A147290 A026670

Adjacent sequences: A050174 A050175 A050176 * A050178 A050179 A050180

Keyword

nonn,tabl

Author

Clark Kimberling

Status

approved