Number of partitions of n into parts 7k+1 or 7k+3.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =2a(5) =3a(6) =3a(7) =4a(8) =5a(9) =6a(10) =7a(11) =8a(12) =9a(13) =10a(14) =12a(15) =14a(16) =16a(17) =19a(18) =21a(19) =24a(20) =27a(21) =30a(22) =34a(23) =39a(24) =44a(25) =49a(26) =55a(27) =61a(28) =67a(29) =76