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

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =7a(7) =10a(8) =13a(9) =18a(10) =22a(11) =28a(12) =36a(13) =45a(14) =58a(15) =71a(16) =87a(17) =109a(18) =131a(19) =165a(20) =196a(21) =239a(22) =289a(23) =345a(24) =421a(25) =495a(26) =594a(27) =708a(28) =830a(29) =1000