Expansion of x*(x^3+3*x^2-1)*(5*x^4-5*x^2+1) / ( -1+x+8*x^2-7*x^3-21*x^4+15*x^5+20*x^6-10*x^7-5*x^8+x^9 ).
A122604
Expansion of x*(x^3+3*x^2-1)*(5*x^4-5*x^2+1) / ( -1+x+8*x^2-7*x^3-21*x^4+15*x^5+20*x^6-10*x^7-5*x^8+x^9 ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =2a(10) =3a(11) =12a(12) =22a(13) =76a(14) =141a(15) =414a(16) =764a(17) =2024a(18) =3724a(19) =9232a(20) =16984a(21) =40240a(22) =74155a(23) =170086a(24) =314296a(25) =703663a(26) =1304538a(27) =2866813a(28) =5333562a(29) =11549771
External references
- oeis: A122604