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Search: id:A050178
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| A050178 |
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T(n,k)=M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the 3rd-from-least t for which M0(n,k,t) is not 0. |
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+0
1
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| 1, 1, 1, 1, 5, 1, 1, 6, 6, 1, 1, 7, 20, 7, 1, 1, 8, 27, 27, 8, 1, 1, 9, 35, 75, 35, 9, 1, 1, 10, 44, 110, 110, 44, 10, 1, 1, 11, 54, 154, 275, 154, 54, 11, 1, 1, 12, 65, 208, 429, 429, 208, 65, 12, 1, 1, 13, 77, 273, 637, 1001, 637, 273, 77, 13, 1, 1, 14, 90, 350, 910
(list; table; graph; listen)
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OFFSET
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5,5
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COMMENT
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f(n,k)=1 if 2<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+2.
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EXAMPLE
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Rows: {1}; {1,1}; {1,5,1}; {1,6,6,1}; ... (all palindromes)
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CROSSREFS
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Adjacent sequences: A050175 A050176 A050177 this_sequence A050179 A050180 A050181
Sequence in context: A046607 A071856 A028313 this_sequence A111720 A029646 A132737
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KEYWORD
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nonn,tabl
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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