Number of partitions of n into parts 5k+1 and 5k+2 with at least one part of each type.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =3a(7) =5a(8) =6a(9) =8a(10) =9a(11) =11a(12) =15a(13) =18a(14) =23a(15) =26a(16) =31a(17) =38a(18) =45a(19) =55a(20) =62a(21) =73a(22) =85a(23) =100a(24) =118a(25) =135a(26) =155a(27) =178a(28) =205a(29) =238