Number of length 4+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.
A246741
Number of length 4+4 0..n arrays with no pair in any consecutive five terms totalling exactly n.
Terms
- a(0) =2a(1) =30a(2) =1156a(3) =7612a(4) =66294a(5) =276762a(6) =1231304a(7) =3780600a(8) =11549290a(9) =28599190a(10) =69230412a(11) =147079860a(12) =304811486a(13) =578865042a(14) =1074611344a(15) =1875204592a(16) =3208049874a(17) =5242291470a(18) =8421730580a(19) =13061681580a(20) =19963508422a(21) =29676180490a(22) =43560086616
External references
- oeis: A246741