184896

Appears in sequences

• 6-automorphic numbers: final digits of 6n^2 agree with n.at n=5A030989
• Triangle T(n,k) = coefficient of x^n*y^k/(n!*k!) in 1/(1-x-y-x*y), read by rows in order 00, 10, 01, 20, 11, 02, ...at n=40A059446