a(n) = a(n-1) + 8*a(n-2) - 3*a(n-3) - 17*a(n-4) + a(n-5) + 13*a(n-6) + 4*a(n-7) - 6*a(n-8) - a(n-9).
A173659
a(n) = a(n-1) + 8*a(n-2) - 3*a(n-3) - 17*a(n-4) + a(n-5) + 13*a(n-6) + 4*a(n-7) - 6*a(n-8) - a(n-9).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =4a(5) =9a(6) =33a(7) =79a(8) =250a(9) =647a(10) =1914a(11) =5157a(12) =14797a(13) =40663a(14) =115036a(15) =319098a(16) =896896a(17) =2498663a(18) =7002446a(19) =19546383a(20) =54706009a(21) =152839003a(22) =427510168a(23) =1194858679a(24) =3341293220a(25) =9340298995a(26) =26116085175a(27) =73010960431a(28) =204132824544a(29) =570699926244
External references
- oeis: A173659