58923

Appears in sequences

• Numbers k such that if you subtract k-reversed from k you get a natural number with the same digits as k.at n=16A121969
• Triangle read by rows: n-th row is the expansion of the polynomial (x-F1)*(x-F2)*(x-F3)*...*(x-Fn).at n=40A158472
• Numbers n such that n, n+1, n+2 are all of the form p*q^2 for distinct primes p,q.at n=9A178032
• Numbers k such that (418*10^k + 23)/9 is prime.at n=21A291710
• Numbers k such that k, k+2, k+4 are of the form p^2*q where p and q are distinct primes.at n=8A308735
• Expansion of e.g.f. exp(exp(x) - 1)*BesselI(1,2*(exp(x) - 1))/(exp(x) - 1).at n=8A317170
• Starts of runs of 3 consecutive numbers that have an equal number of even and odd exponents in their prime factorization (A187039).at n=21A348077
• Irregular triangle read by rows: T(N,k) (0 <= k <= 4*N^2) are coefficients of cluster density function for site percolation on a 2*N X 2*N 2D union jack lattice with periodic boundary conditions.at n=54A365943
• Irregular triangle read by rows: T(N,k) (0 <= k <= 4*N^2) are coefficients of cluster density function for site percolation on a 2*N X 2*N 2D hexagonal lattice with periodic boundary conditions.at n=54A365944