31205

Appears in sequences

• Fibonacci numbers written in base 6.at n=19A004689
• Members of 3-cycles of permutation A111273.at n=31A113701
• Lower triangular array called S2hat(-5) related to partition number array A144341.at n=31A144342
• Lower triangular array called S2hat(-5) related to partition number array A144341.at n=40A144342
• Number of partitions p of n such that max(p) - 3*min(p) is a part of p.at n=46A238627
• Numbers k such that p^2 divides k, where p = A006530(k), the largest prime factor of k, and sigma(k) does not have any prime factor larger than p.at n=31A336354
• Decimal numbers m such that the product of the binary string of m and the binary string of m in reverse contains the binary string of m as a substring.at n=42A342130
• Numbers p^2*q, p > q odd primes such that q divides p+1.at n=20A350245
• A382168 with duplicates removed.at n=41A382169
• Numbers k such that sigma(k) = psi(k) + tau(k).at n=39A387953