Compositions of n into parts 3, 4 and 7.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =3a(8) =1a(9) =1a(10) =5a(11) =5a(12) =2a(13) =7a(14) =13a(15) =8a(16) =10a(17) =25a(18) =26a(19) =20a(20) =42a(21) =64a(22) =54a(23) =72a(24) =131a(25) =144a(26) =146a(27) =245a(28) =339a(29) =344