Number of partitions of n into parts 7k+1 or 7k+2.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =3a(5) =4a(6) =4a(7) =6a(8) =7a(9) =9a(10) =10a(11) =12a(12) =13a(13) =15a(14) =17a(15) =21a(16) =24a(17) =29a(18) =32a(19) =37a(20) =40a(21) =46a(22) =51a(23) =60a(24) =67a(25) =77a(26) =85a(27) =95a(28) =104a(29) =117