137976

Appears in sequences

• Number of ways to place 2 nonattacking zebras on an n X n board.at n=22A172137
• Numbers k whose number of divisors equals the number of divisors in each of R(k), k+R(k), R(k+R(k)), abs(k-R(k)), and R(abs(k-R(k))), where R(m) is the digit reversal of m and where the reversals of m do not equal m.at n=2A346141