75121

Appears in sequences

• Decimal numbers that when converted to hexadecimal produce a number that uses the same digits as the original number.at n=20A133287
• Number of points of norm <= n in the body-centered cubic lattice with the lattice parameter equal to 2/sqrt(3).at n=24A276648
• Expansion of e.g.f. Sum_{k>=0} exp((4^k - 1)*x) * x^k/k!.at n=5A360934