29082

Appears in sequences

• Non-palindromic numbers n such that phi(n) = phi(reversal(n)).at n=22A097647
• Numbers n such that 2*10^n + 7*R_n - 4 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=13A102958
• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=23A259003
• Number of oriented series-parallel networks with n elements and without multiple unit elements in parallel.at n=11A339290