Let f(n) be the number of sequences of 1's and 2's which sum to n. Sequence contains the string of sequences.
A114034
Let f(n) be the number of sequences of 1's and 2's which sum to n. Sequence contains the string of sequences.
Terms
- a(0) =1a(1) =2a(2) =11a(3) =12a(4) =21a(5) =111a(6) =22a(7) =112a(8) =121a(9) =211a(10) =1111a(11) =122a(12) =212a(13) =221a(14) =1112a(15) =1121a(16) =1211a(17) =2111a(18) =11111a(19) =222a(20) =1122a(21) =1212a(22) =1221a(23) =2112a(24) =2121a(25) =2211a(26) =11112a(27) =11121a(28) =11211a(29) =12111
External references
- oeis: A114034