78310

Appears in sequences

• Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: w=R, x=R, y=R, z<R, where R = max{w,x,y,z} - min{w,x,y,z}.at n=18A212751
• Numbers k such that the last 9 digits of the k-th Lucas number are 1-9 pandigital.at n=23A216488