Number of partitions satisfying cn(1,5) + cn(4,5) <= cn(0,5).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =3a(7) =5a(8) =6a(9) =8a(10) =11a(11) =14a(12) =17a(13) =24a(14) =28a(15) =38a(16) =46a(17) =59a(18) =73a(19) =91a(20) =114a(21) =140a(22) =172a(23) =215a(24) =257a(25) =320a(26) =386a(27) =470a(28) =569a(29) =689