100254

Appears in sequences

• Positive numbers k such that k and 2*k are anagrams in base 7 (written in base 7).at n=10A023068
• Positive numbers k such that k and 5*k are anagrams in base 9 (written in base 9).at n=16A023082
• Period of the Lucas 4-step sequence A073817 mod prime(n).at n=18A106296
• Nonnegative k such that 3*k + 1 is a perfect cube.at n=22A121628
• Numbers m such that sigma(sigma(m))/m is a square.at n=40A318084