148993

Appears in sequences

• Number of n X 4 1..2 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order.at n=40A166805
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UH, HD and DU.at n=22A329698