Total area under all nonnegative lattice paths from (0,0) to (n,0) such that slopes of adjacent steps differ by at most one, assuming zero slope before and after the paths.
A333678
Total area under all nonnegative lattice paths from (0,0) to (n,0) such that slopes of adjacent steps differ by at most one, assuming zero slope before and after the paths.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =2a(4) =7a(5) =22a(6) =64a(7) =196a(8) =574a(9) =1762a(10) =5379a(11) =16378a(12) =49380a(13) =148892a(14) =449004a(15) =1353718a(16) =4076150a(17) =12267160a(18) =36903433a(19) =110979048a(20) =333628384a(21) =1002722482a(22) =3013085711a(23) =9052404522a(24) =27192329061a(25) =81671691634a(26) =245271884478a(27) =736513920180
External references
- oeis: A333678