148503

Appears in sequences

• Numbers n such that phi(reverse(n)) = sigma(n).at n=21A070835
• Number of (n+2) X (1+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1.at n=11A255020
• Number of maximal subsets of {1..n} containing no sums or products of distinct elements.at n=39A326025