75120

Appears in sequences

• Sum of squares of pentanacci numbers (A001591).at n=13A107243
• Decimal numbers that when converted to hexadecimal produce a number that uses the same digits as the original number.at n=19A133287
• Number of nX1 0..2 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.at n=14A203594
• Expansion of f(x^3, x^9) * f(x^6, x^6) / f(-x, -x^2) in powers of x where f(,) is Ramanujan's general theta function.at n=38A257655
• a(n) = n! * Sum_{d|n} d^(d - n/d).at n=4A351165