602140

Appears in sequences

• Expansion of Product_{k>=1} (1 + (k-1)*x^k).at n=36A267007
• Unitary abundant numbers k such that k+2 is also unitary abundant.at n=18A292704
• Denominators of the partial sums of the reciprocals of twice the pentagonal numbers.at n=7A294513
• a(n) = Product_{d|n, d>1} prime(1+(d mod 12)).at n=23A320112
• a(n) is the smallest nonnegative integer k where exactly n pairs of positive integers (x, y) exist such that x^2 + 19*y^2 = k.at n=16A374161