Number of Motzkin meanders of length n with an odd number of humps and an odd number of peaks.
A325927
Number of Motzkin meanders of length n with an odd number of humps and an odd number of peaks.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =13a(5) =38a(6) =105a(7) =280a(8) =737a(9) =1942a(10) =5183a(11) =14100a(12) =39151a(13) =110642a(14) =316751a(15) =914248a(16) =2650655a(17) =7701562a(18) =22400559a(19) =65203428a(20) =189970159a(21) =554165922a(22) =1619018259a(23) =4737859512a(24) =13887657307a(25) =40769959314a(26) =119849273449a(27) =352716050428
External references
- oeis: A325927