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A047104 T(n,n-2), array T as in A047100. 0
1, 2, 5, 21, 89, 340, 1312, 5106, 19782, 76676, 297776, 1157609, 4505193, 17554888, 68480902, 267420957, 1045329995, 4089922224, 16015961548, 62768643959, 246184737835, 966243694608, 3794894344275, 14913585439328 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..25.

CROSSREFS

Sequence in context: A228385 A152801 A062297 * A319850 A270597 A174080

Adjacent sequences:  A047101 A047102 A047103 * A047105 A047106 A047107

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified May 23 11:27 EDT 2022. Contains 353975 sequences. (Running on oeis4.)