Number of partitions p of n that include (min(p) + max(p))/2 as a part.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =2a(5) =5a(6) =3a(7) =6a(8) =8a(9) =9a(10) =10a(11) =20a(12) =18a(13) =25a(14) =38a(15) =43a(16) =53a(17) =77a(18) =87a(19) =114a(20) =150a(21) =176a(22) =220a(23) =290a(24) =343a(25) =422a(26) =535a(27) =641a(28) =783a(29) =978