A027165 T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A027157.
1, 2, 6, 10, 39, 61, 180, 300, 1157, 1823, 5502, 9282, 35911, 57101, 174312, 296536, 1147657, 1837307, 5643506, 9657582, 37349067, 60103305, 185313180, 318533124, 1230555661, 1988344759, 6145979174, 10601082970, 40907870479
Offset: 0