742901
domain: N
Appears in sequences
- Number of Young tableaux with n=i*j cells and type i*j matrices with i>=j.at n=25A067231
- A transformation of the Catalan sequence.at n=25A129110
- a(n) = C(n) + 1 - 0^n where C(n) = A000108(n).at n=13A141351
- Inverse Moebius transform of Catalan numbers.at n=12A237670
- Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UH, HU, HD and DH.at n=26A329696