81542

Appears in sequences

• Square root of n has the same nonzero digit in each of the first 4 places to the right of the decimal point.at n=31A073585
• Molien series for a certain 16-dimensional group of order 20160.at n=18A104993
• a(n) = 81*n^2 - 44*n + 6.at n=32A156676
• Smallest integer that is the sum of a prime and the square of a prime in n or more ways.at n=39A381333
• Smallest integer that is the sum of a prime and the square of a prime in exactly n ways.at n=39A381334