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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. 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 (list; table; graph; refs; listen; history; text; internal format)
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 * A183352 A217510 A273506

Adjacent sequences:  A050176 A050177 A050178 * A050180 A050181 A050182

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 20 07:41 EST 2020. Contains 332069 sequences. (Running on oeis4.)