67756

Appears in sequences

• Triangle U, read by rows, where column k of U^(j+1) = column j of P^(3k+1) for j>=0, k>=0 and P=A136220.at n=40A136228
• Number of n X 4 1..2 arrays containing at least one of each value, and all equal values connected.at n=6A166766
• Number of n X 7 1..2 arrays containing at least one of each value, and all equal values connected.at n=3A166773