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) edges.
A342761
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) edges.
Terms
- a(0) =4a(1) =7a(2) =10a(3) =15a(4) =25a(5) =43a(6) =79a(7) =147a(8) =283a(9) =547a(10) =1075a(11) =2115a(12) =4195a(13) =8323a(14) =16579a(15) =33027a(16) =65923a(17) =131587a(18) =262915a(19) =525315a(20) =1050115a(21) =2099203a(22) =4197379a(23) =8392707a(24) =16783363a(25) =33562627a(26) =67121155a(27) =134234115a(28) =268460035a(29) =536903683
External references
- oeis: A342761