Number of length 3+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
A247729
Number of length 3+3 0..n arrays with no disjoint pairs in any consecutive four terms having the same sum.
Terms
- a(0) =8a(1) =172a(2) =1248a(3) =5796a(4) =19744a(5) =55372a(6) =133780a(7) =290004a(8) =576064a(9) =1068584a(10) =1871996a(11) =3129068a(12) =5023940a(13) =7795872a(14) =11741676a(15) =17233232a(16) =24718860a(17) =34744832a(18) =47955536a(19) =65119328a(20) =87126876a(21) =115022012a(22) =149997832a(23) =193432664a(24) =246883888a(25) =312129332
External references
- oeis: A247729