1767263191domain: NAppears in sequencesA transformation of the Catalan sequence.at n=37A129110a(n) = C(n) + 1 - 0^n where C(n) = A000108(n).at n=19A141351Inverse Moebius transform of Catalan numbers.at n=18A237670Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UH, HU, HD and DH.at n=38A329696