Number of partitions of n into parts 7k+1 and 7k+6 with at least one part of each type.

Terms

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