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A026891 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026769. 0
1, 1, 3, 4, 12, 17, 51, 74, 224, 328, 1008, 1478, 4630, 6767, 21663, 31472, 103100, 148642, 498520, 712648, 2446218, 3466398, 12167456, 17093556, 61276838, 85380372, 312096590, 431554188, 1605820974, 2205077509 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A281037 A026847 A026880 * A064140 A064139 A306176

Adjacent sequences:  A026888 A026889 A026890 * A026892 A026893 A026894

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 27 09:55 EDT 2021. Contains 348274 sequences. (Running on oeis4.)