Number of partitions of 5n such that cn(1,5) = cn(4,5) and cn(2,5) = cn(3,5).

Terms

a(0) =1a(1) =3a(2) =11a(3) =32a(4) =88a(5) =221a(6) =532a(7) =1213a(8) =2672a(9) =5676a(10) =11724a(11) =23568a(12) =46315a(13) =89076a(14) =168124a(15) =311763a(16) =569000a(17) =1023128a(18) =1814776a(19) =3178000a(20) =5499588a(21) =9411392a(22) =15938221a(23) =26726372a(24) =44402336a(25) =73121988a(26) =119418609a(27) =193488816a(28) =311150404a(29) =496783420