70446

Appears in sequences

• Triangle T(n,k), read by rows n>=0 with terms k=1..3^n, where row n lists the coefficients in the n-th iteration of (x+x^2+x^3).at n=49A166880
• Number of times n consecutively appears in A218461.at n=14A218532
• Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UU, HH, DU and DD.at n=30A329690