Number of partitions of n such that neither floor(n/2) nor ceiling(n/2) is a part.

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =3a(5) =8a(6) =8a(7) =17a(8) =19a(9) =35a(10) =39a(11) =66a(12) =76a(13) =120a(14) =140a(15) =209a(16) =246a(17) =355a(18) =419a(19) =585a(20) =695a(21) =946a(22) =1123a(23) =1498a(24) =1781a(25) =2335a(26) =2775a(27) =3583a(28) =4255a(29) =5428