81465

Appears in sequences

• Start of the first run of exactly n consecutive odd composite numbers.at n=21A075067
• a(n)=12*sum(1<=i<=j<=k<=n,i*j/k).at n=20A088941
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, -1), (1, 0, 0), (1, 0, 1), (1, 1, 0)}.at n=8A151104