55251994

Appears in sequences

• Triangle P, read by rows, where column k of P^3 equals column 0 of P^(3k+3) such that column 0 of P^3 equals column 0 of P shift one row up, with P(0,0)=1.at n=46A136220
• Column 1 of triangle A136220; also equals column 0 of U^2 = A136233 where U = A136228.at n=8A136222
• Matrix square of triangle U = A136228, read by rows.at n=36A136233