Expansion of (1+x^7)/((1-x)*(1-x^2)*(1-x^3)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =7a(7) =9a(8) =11a(9) =14a(10) =17a(11) =20a(12) =24a(13) =28a(14) =32a(15) =37a(16) =42a(17) =47a(18) =53a(19) =59a(20) =65a(21) =72a(22) =79a(23) =86a(24) =94a(25) =102a(26) =110a(27) =119a(28) =128a(29) =137