a(n) = a(n-1)+a(n-2)-a(n-3)+a(n-5), n>7.

A107287

a(n) = a(n-1)+a(n-2)-a(n-3)+a(n-5), n>7.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =4a(6) =4a(7) =6a(8) =7a(9) =10a(10) =15a(11) =22a(12) =33a(13) =47a(14) =68a(15) =97a(16) =140a(17) =202a(18) =292a(19) =422a(20) =609a(21) =879a(22) =1268a(23) =1830a(24) =2641a(25) =3812a(26) =5502a(27) =7941a(28) =11461a(29) =16541

External references