165880

Appears in sequences

• Structured truncated dodecahedral numbers.at n=21A100153
• Numbers other than prime powers divisible by the sum of the squares of their prime divisors.at n=16A190882
• Number of 3 X 3 X 3 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.at n=10A214385
• Positive integers whose square is the sum of 33 consecutive squares.at n=11A257767
• Number of (n+2) X (1+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.at n=14A258959
• G.f.: Sum_{n=-oo..+oo} x^(n*(n+1)/2) * C(x)^(4*n-6), where C(x) = 1 + x*C(x)^2 is the g.f. of the Catalan numbers (A000108).at n=21A355864