Number of partitions of n into parts 7k+1 or 7k+4.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =2a(7) =4a(8) =4a(9) =4a(10) =5a(11) =7a(12) =7a(13) =7a(14) =9a(15) =12a(16) =12a(17) =13a(18) =16a(19) =19a(20) =19a(21) =22a(22) =26a(23) =30a(24) =31a(25) =36a(26) =41a(27) =45a(28) =48a(29) =56