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
Offset: 0