p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S^7.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =7a(8) =28a(9) =84a(10) =210a(11) =462a(12) =924a(13) =1717a(14) =3017a(15) =5110a(16) =8568a(17) =14756a(18) =27132a(19) =54264a(20) =116281a(21) =257775a(22) =572264a(23) =1246784a(24) =2641366a(25) =5430530a(26) =10861060a(27) =21242341a(28) =40927033a(29) =78354346