151657

Appears in sequences

• a(n) = (10*n^3 - 9*n^2 + 2*n)/3 + 1.at n=36A034721
• Numbers k such that phi(k) is equal to A008473(k-1).at n=16A039780
• Partial sums of A006000.at n=32A133252
• Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.at n=11A232826