69102

Appears in sequences

• a(n) = sigma[k](n) - phi(n)^k - d(n)^k for k=3.at n=39A079539
• 75-gonal numbers: a(n) = n*(73*n-71)/2.at n=44A098230
• Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two, three, four, six or eight distinct values for every i,j,k<=n.at n=8A211589
• Number of 3 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=36A239987