Fold a square sheet of paper alternately vertically to the left and horizontally downwards; after each fold, draw a line along each inward crease; after n folds, the resulting graph has a(n) regions.
A342759
Fold a square sheet of paper alternately vertically to the left and horizontally downwards; after each fold, draw a line along each inward crease; after n folds, the resulting graph has a(n) regions.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =10a(6) =16a(7) =25a(8) =43a(9) =73a(10) =133a(11) =241a(12) =457a(13) =865a(14) =1681a(15) =3265a(16) =6433a(17) =12673a(18) =25153a(19) =49921a(20) =99457a(21) =198145a(22) =395521a(23) =789505a(24) =1577473a(25) =3151873a(26) =6300673a(27) =12595201a(28) =25184257a(29) =50356225
External references
- oeis: A342759