A050179 T(n,k) = M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the 4th-from-least t for which M0(n,k,t) is not 0.

1, 1, 1, 1, 7, 1, 1, 8, 8, 1, 1, 9, 35, 9, 1, 1, 10, 44, 44, 10, 1, 1, 11, 54, 154, 54, 11, 1, 1, 12, 65, 208, 208, 65, 12, 1, 1, 13, 77, 273, 637, 273, 77, 13, 1, 1, 14, 90, 350, 910, 910, 350, 90, 14, 1, 1, 15, 104, 440, 1260, 2548, 1260, 440, 104, 15, 1

Offset

7,5

Comments

f(n,k)=2 if 3<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+3.

Links

Table of n, a(n) for n=7..72.

Example

Rows: {1}; {1,1}; {1,7,1}: {1,8,8,1}; ... (all palindromes)

Crossrefs

Sequence in context: A174095 A305607 A229779 * A358450 A183352 A217510

Adjacent sequences: A050176 A050177 A050178 * A050180 A050181 A050182

Keyword

nonn,tabl

Author

Clark Kimberling

Status

approved