86310

Appears in sequences

• Expansion of 1/(1 - 3*x*C(x)), where C(x) = (1 - sqrt(1 - 4*x))/(2*x) = g.f. for the Catalan numbers A000108.at n=8A007854
• Numbers k such that phi(m) = 96*k+2 has no solution.at n=13A071624
• Riordan array (1/(1-3x*c(x)),xc(x)), c(x) the g.f. of A000108.at n=36A117375
• Triangle read by rows: T(n,0) = 3^n, T(n,k) = T(n,k-1) + T(n-1,k) for 0 < k < n, and T(n,n) = T(n,n-1).at n=43A165992
• Triangle read by rows: T(n,0) = 3^n, T(n,k) = T(n,k-1) + T(n-1,k) for 0 < k < n, and T(n,n) = T(n,n-1).at n=44A165992
• a(n) = (4*n^3 + n^2 - 3*n)/2.at n=35A172073
• Expansion of Product_{k>=1} (1 + k^3*x^k).at n=10A265840
• Sum of cubes of nonprime divisors of n.at n=41A279290