A026336 a(n) = T(n,[ n/2 ]), where T is the array in A026323.

1, 1, 2, 3, 10, 15, 50, 77, 266, 414, 1452, 2277, 8073, 12726, 45460, 71940, 258434, 410193, 1479986, 2354651, 8525205, 13589730, 49342636, 78780957, 286721450, 458396900, 1671668520, 2675641815, 9774222930, 15659853579, 57291319170, 91868450400