219053

Properties

Appears in sequences

• Sum of the sizes of the tails below the Durfee squares of all partitions of n.at n=35A116365
• a(n) = [x^n] 2 / (1 + x*(2*x + 3) + sqrt((x + 1)*(1 - 3*x))). Alternating row sums of A379907.at n=17A379824
• Prime numbersat n=19533