A026096 Sum{T(n,k)}, k = 0,1,...,n, where T is the array defined in A026082.
2, 4, 8, 15, 42, 127, 376, 1122, 3344, 9980, 29796, 89007, 265986, 795147, 2377744, 7112065, 21277698, 63670773, 190560180, 570416805, 1707707142, 5113158165, 15311384784, 45854766744, 137339426436, 411379964442, 1232324471060
Offset: 0
Keywords
Crossrefs
For n>2, first differences of A026080.