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A026164
a(n) = Sum{T(n,k)}, k = 0,1,...,n, where T is the array in A026148.
0
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
CROSSREFS
Sequence in context: A294224 A296270 A123439 * A192405 A035354 A220902
KEYWORD
nonn
STATUS
approved