Number of patterns of length n matching the pattern (1,1,2).
A335509
Number of patterns of length n matching the pattern (1,1,2).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =15a(5) =181a(6) =2163a(7) =27133a(8) =364395a(9) =5272861a(10) =82289163a(11) =1383131773a(12) =24978057195a(13) =483269202781
External references
- oeis: A335509