Number of integer partitions of n with a neighborless part.

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =4a(5) =4a(6) =8a(7) =9a(8) =16a(9) =20a(10) =31a(11) =40a(12) =59a(13) =76a(14) =105a(15) =138a(16) =184a(17) =238a(18) =311a(19) =400a(20) =515a(21) =656a(22) =831a(23) =1052a(24) =1322a(25) =1659a(26) =2064a(27) =2572a(28) =3182a(29) =3934