A026164 a(n) = Sum{T(n,k)}, k = 0,1,...,n, where T is the array in A026148.

1, 2, 4, 11, 33, 97, 287, 848, 2507, 7411, 21910, 64780, 191555, 566515, 1675740, 4957788, 14671083, 43424427, 128560308, 380699619, 1127616675, 3340750035, 9899863295, 29343770140, 86996647805, 257980647221, 765187113746, 2270083558759

Offset

0,2

Links

Table of n, a(n) for n=0..27.

Crossrefs

Sequence in context: A294224 A296270 A123439 * A025191 A192405 A035354

Adjacent sequences: A026161 A026162 A026163 * A026165 A026166 A026167

Keyword

nonn

Author

Clark Kimberling

Status

approved