Number of length n+3 0..7 arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.
A248536
Number of length n+3 0..7 arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.
Terms
- a(0) =512a(1) =704a(2) =992a(3) =1412a(4) =2000a(5) =2960a(6) =4424a(7) =6644a(8) =9968a(9) =15356a(10) =23648a(11) =36380a(12) =55856a(13) =87680a(14) =137072a(15) =213500a(16) =331424a(17) =525044a(18) =827144a(19) =1296776a(20) =2024480a(21) =3222092a(22) =5096048a(23) =8016536a(24) =12551888a(25) =20024372a(26) =31734104a(27) =50006852a(28) =78415616a(29) =125248544
External references
- oeis: A248536