54544

Appears in sequences

• Boustrophedon transform of squares.at n=8A000745
• Expansion of e.g.f.: tanh(exp(x) - cos(x)) = x + (2/2!)*x^2 - (1/3!)*x^3 - (24/4!)*x^4 - (123/5!)*x^5 + ...at n=8A013317
• Numbers for which the number of prime divisors counted with multiplicity and the sum of the distinct prime divisors are both perfect.at n=25A233563
• a(n) is the least positive integer that can be expressed as the sum of two distinct nonzero decimal palindromes in exactly n ways.at n=39A364836