135968

Appears in sequences

• Numbers in which all pairs of consecutive base-6 digits differ by 3.at n=31A033077
• Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=19A252386
• Triangle read by rows: T(n, k) = Sum_{t=k..n-2} (-1)^(t-k)*(n-t)!*binomial(t,k)*binomial(n-2,t).at n=39A264027
• Growth series for affine Coxeter group B_6.at n=20A267169