1000230

Appears in sequences

• Positive numbers k such that k and 3*k are anagrams in base 4 (written in base 4).at n=22A023060
• a(n) = n*(1 + n)*(3 - 4*n + 4*n^2)/6.at n=34A213840
• Numbers n such that sum of decimal digits of n equals number of prime divisors of n counted with multiplicity and sum of distinct decimal digits of n equals number of distinct primes dividing n.at n=33A280911