Number of North-East lattice paths that do not bounce off the diagonal y = x to the right.

A268407

Number of North-East lattice paths that do not bounce off the diagonal y = x to the right.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =15a(4) =48a(5) =160a(6) =548a(7) =1914a(8) =6785a(9) =24335a(10) =88109a(11) =321521a(12) =1181039a(13) =4362855a(14) =16195747a(15) =60379623a(16) =225955264a(17) =848432824a(18) =3195394520a(19) =12067450014a(20) =45685766306a(21) =173350890788a(22) =659126407978

External references