A026078 a(n) = T(n,[ n/2 ]), where T is the array defined in A024996.

1, 1, 2, 1, 5, 8, 24, 40, 133, 218, 736, 1203, 4135, 6743, 23452, 38194, 134043, 218115, 770864, 1253614, 4455462, 7242629, 25859380, 42022984, 150615223, 244700887, 879876040, 1429252775, 5153445895, 8369948745, 30251941860, 49127900370