a(n) = a(n-2) + a(n-3) if n == 0 (mod 3), a(n-1) + a(n-4) if n == 0 (mod 4), otherwise a(n-2) with a(0) = 0 and a(1) = a(2) = a(3) = 1.
A141525
a(n) = a(n-2) + a(n-3) if n == 0 (mod 3), a(n-1) + a(n-4) if n == 0 (mod 4), otherwise a(n-2) with a(0) = 0 and a(1) = a(2) = a(3) = 1.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =3a(9) =4a(10) =4a(11) =4a(12) =8a(13) =8a(14) =8a(15) =16a(16) =24a(17) =24a(18) =40a(19) =40a(20) =64a(21) =80a(22) =80a(23) =80a(24) =160a(25) =160a(26) =160a(27) =320a(28) =480a(29) =480
External references
- oeis: A141525