Number of partitions of n into parts 7k+1 and 7k+3 with at least one part of each type.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =2a(9) =3a(10) =5a(11) =5a(12) =6a(13) =8a(14) =8a(15) =9a(16) =11a(17) =14a(18) =16a(19) =18a(20) =22a(21) =24a(22) =26a(23) =30a(24) =36a(25) =40a(26) =45a(27) =53a(28) =57a(29) =62