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A050145 T(n,k)=M(2n,n-1,k-1), 0<=k<=n, n >= 0, array M as in A050144. 1
0, 1, 0, 2, 1, 1, 5, 4, 5, 1, 14, 14, 20, 7, 1, 42, 48, 75, 35, 9, 1, 132, 165, 275, 154, 54, 11, 1, 429, 572, 1001, 637, 273, 77, 13, 1, 1430, 2002, 3640, 2548, 1260, 440, 104, 15, 1, 4862, 7072, 13260, 9996, 5508, 2244, 663, 135, 17, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

First 7 columns of T are A000108, A002057, A000344, A000588, A001392, A000589, A000590.

LINKS

Table of n, a(n) for n=0..54.

EXAMPLE

Rows: {0}; {1,0}; {2,1,1}; ...

CROSSREFS

Sequence in context: A284732 A327483 A327884 * A222573 A222679 A058676

Adjacent sequences:  A050142 A050143 A050144 * A050146 A050147 A050148

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 21 20:10 EDT 2021. Contains 347598 sequences. (Running on oeis4.)