26940

Appears in sequences

• Denominators of continued fraction convergents to sqrt(224).at n=7A041419
• Chebyshev polynomials of the second kind, U(n,x), evaluated at x=15.at n=4A097313
• Structured truncated icosahedral numbers.at n=11A100154
• Positive integers i for which A112049(i) == 9.at n=7A112069
• Numbers k such that there is a bigger number m satisfying A000203(k) = A000203(m) = m + k - gcd(m,k).at n=40A124140
• Numbers k such that 2k+1, 4k+1, 6k+1 and 8k+1 are primes.at n=18A124409
• Successive sums of consecutive primes that form a triangular grid.at n=13A125130
• Sum of primes < n^2.at n=24A139562
• Chebyshev polynomial of the second kind U(3,n).at n=15A144138
• Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2+x^2+y^2>n.at n=30A211640
• a(n) = n^3 - 2*n.at n=30A242135
• Terms of A007504 divisible by 3.at n=33A249679
• Numbers k such that Bernoulli number B_{k} has denominator 56786730.at n=4A295598