Number of peakless Motzkin paths of length n, assuming that the (1,0)-steps come in 2 colors.
A187256
Number of peakless Motzkin paths of length n, assuming that the (1,0)-steps come in 2 colors.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =10a(4) =28a(5) =82a(6) =248a(7) =770a(8) =2440a(9) =7858a(10) =25644a(11) =84618a(12) =281844a(13) =946338a(14) =3199728a(15) =10885122a(16) =37230352a(17) =127951714a(18) =441633812a(19) =1530242954a(20) =5320853260a(21) =18560408050a(22) =64932101224a(23) =227767796482a(24) =800928670232
External references
- oeis: A187256