42723domain: NAppears in sequencesConvolution of the prime numbers with phi(n) convoluted with sigma(n).at n=18A086735Where records occur in A096287.at n=15A096729Numbers m such that m*reversal(m) contains every decimal digit exactly once.at n=32A178929Number of partitions of n having standard deviation σ > 4.at n=46A238656