A026891 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A026891

a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026769.

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