Number of compositions of 6*n-3 into parts 5 and 6.

Terms

a(0) =0a(1) =0a(2) =1a(3) =4a(4) =10a(5) =20a(6) =35a(7) =57a(8) =94a(9) =175a(10) =385a(11) =935a(12) =2289a(13) =5385a(14) =12031a(15) =25686a(16) =53176a(17) =108699a(18) =223215a(19) =465867a(20) =991088a(21) =2138884a(22) =4643816a(23) =10067197a(24) =21695156a(25) =46427790a(26) =98807200a(27) =209689343a(28) =444983081a(29) =946084386