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A026869 a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026747. 0
1, 1, 4, 5, 17, 23, 74, 104, 326, 468, 1447, 2104, 6459, 9466, 28968, 42658, 130473, 192656, 589993, 872290, 2678007, 3960318, 12199689, 18032179, 55769978, 82346931, 255807384, 377172666, 1177155945, 1732702830 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..29.

CROSSREFS

Sequence in context: A174352 A152021 A026678 * A061806 A306161 A119997

Adjacent sequences:  A026866 A026867 A026868 * A026870 A026871 A026872

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified August 7 08:08 EDT 2020. Contains 336274 sequences. (Running on oeis4.)