663740

Appears in sequences

• Triangle T(n, k) = A143491(n+2, k+2) + A143491(n+2, n-k+2), read by rows.at n=37A155755
• Triangle T(n, k) = A143491(n+2, k+2) + A143491(n+2, n-k+2), read by rows.at n=43A155755
• Number of length-n binary sequences whose subword complexity is <= 2i, for all i.at n=28A285894