a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2.
A085688
a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2.
Terms
- a(0) =11a(1) =8a(2) =6a(3) =12a(4) =9a(5) =7a(6) =14a(7) =11a(8) =9a(9) =18a(10) =15a(11) =13a(12) =26a(13) =23a(14) =21a(15) =42a(16) =39a(17) =37a(18) =74a(19) =71a(20) =69a(21) =138a(22) =135a(23) =133a(24) =266a(25) =263a(26) =261a(27) =522a(28) =519a(29) =517
External references
- oeis: A085688