Number of partitions of n into parts 7k+1 and 7k+4 with at least one part of each type.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =2a(11) =4a(12) =5a(13) =5a(14) =5a(15) =7a(16) =8a(17) =8a(18) =11a(19) =14a(20) =15a(21) =15a(22) =19a(23) =22a(24) =23a(25) =27a(26) =33a(27) =37a(28) =38a(29) =44