70448

Appears in sequences

• Number of n-step polygons on Kagome lattice.at n=14A005397
• a(n) = (11*n+5)*(n+4)*(n+3)*(n+2)*(n+1)/120.at n=13A056118
• Structured pentagonal hexacontahedral numbers (vertex structure 10).at n=13A100170
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x+84847)^2 = y^2.at n=37A201917
• G.f.: Sum_{n>=0} x^n/Product_{k=1..n} (1 - Lucas(k)*x^k + (-1)^k*x^(2*k)).at n=17A206140
• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)=2.at n=25A212895
• Primitive integer length of the side of an origin-centered square that contains inside its boundary a point with integer coordinates that is an integer distance from three of the four corners.at n=29A215365
• Numbers k such that F(k)*F(k+1) + F(k+2) is a prime, where F = A000045 (Fibonacci numbers).at n=41A305414
• a(n) = n*(3*n^4 + 15*n^3 + 25*n^2 - 15*n - 28)/60.at n=16A365373
• G.f. satisfies A(x) = 1 + x*A(x) * (1 + x*A(x)^2)^2.at n=9A367258