Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-4,-3,-2,-1,1,2,3,4}.
A278396
Number of positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-4,-3,-2,-1,1,2,3,4}.
Terms
- a(0) =1a(1) =4a(2) =22a(3) =146a(4) =1013a(5) =7269a(6) =53156a(7) =394154a(8) =2951950a(9) =22279439a(10) =169175927a(11) =1290970376a(12) =9891573310a(13) =76050920691a(14) =586426828071
External references
- oeis: A278396