149031

Appears in sequences

• Number of interior faces in all noncrossing connected graphs on n nodes on a circle.at n=6A045742
• Number of 7 X n 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and rows and columns lexicographically nondecreasing.at n=7A229450
• Square table read by upwards antidiagonals: T(m,n) = A103438(2*m-1,n)/A103438(1,n) for m>=1, n>=1.at n=40A339019