90945

Appears in sequences

• a(n) = (6*n+1)*(6*n+3)*(6*n+5).at n=7A001520
• a(n) = (2*n+1)*(2*n+3)*(2*n+5).at n=21A061550
• Number of odd length roads between any adjacent nodes in virtual optimal chordal ring of degree 3 (the length of chord < number of nodes/2).at n=6A087457
• a(n) = (4*n+3)*(4*n+5)*(4*n+7).at n=10A133767
• Sum of first k numbers in column k of the natural number array A000027; by antidiagonals.at n=42A185787
• a(0) = 0, a(1) = 1. For n >= 2, a(n) = a(n-1)/(n-1) if n-1 divides a(n-1); otherwise, a(n) = a(n-1) + a(n-2).at n=46A343376
• Odd numbers k that can be factored to such a pair of coprime factors x and y that A347381(k) < min(A347381(x), A347381(y)).at n=37A347390