A026547 a(n) = T(n,[ n/2 ]), T given by A026536.

1, 1, 1, 1, 5, 6, 16, 19, 65, 79, 251, 306, 1016, 1247, 4117, 5069, 16913, 20889, 69865, 86479, 290455, 360205, 1212905, 1506462, 5085224, 6324176, 21389824, 26630423, 90226449, 112439094, 381519416, 475838291, 1616684241, 2017827545