Number of partitions of n into parts 4k and 4k+1 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) =4a(9) =4a(10) =4a(11) =4a(12) =10a(13) =11a(14) =11a(15) =11a(16) =22a(17) =25a(18) =26a(19) =26a(20) =44a(21) =51a(22) =54a(23) =55a(24) =84a(25) =98a(26) =105a(27) =108a(28) =153a(29) =178