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

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