248040

Appears in sequences

• a(n) = 8000*n + 40.at n=30A157663
• Number of self-intersecting walks of length n on a square lattice such that at each point the angle turns 90 degrees.at n=30A293865
• Lesser of semi-unitary amicable numbers pair: numbers (m, n) such that susigma(m) = susigma(n) = m + n, where susigma(n) is the sum of the semi-unitary divisors of n (A322485).at n=22A322541
• Lesser of modified exponential amicable pairs.at n=19A323758