Number of partitions of n in which number of parts is not 2.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =8a(7) =12a(8) =18a(9) =26a(10) =37a(11) =51a(12) =71a(13) =95a(14) =128a(15) =169a(16) =223a(17) =289a(18) =376a(19) =481a(20) =617a(21) =782a(22) =991a(23) =1244a(24) =1563a(25) =1946a(26) =2423a(27) =2997a(28) =3704a(29) =4551