46561

Appears in sequences

• Strong pseudoprimes to base 60.at n=19A020286
• G.f. A(x) satisfies both A(-x)*A(x) = A(x^2) and xA(x)^2 = B(xA(x^2)) where B(x) = x*(1+x)/(1-x).at n=25A091188
• Antidiagonal sums of triangle A107105: a(n) = Sum_{k=0..n} A107105(n-k,k), where A107105(n,k) = C(n,k)*(C(n,k) + 1)/2.at n=14A107597
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0111-1100-0111 pattern in any orientation.at n=13A147369
• G.f. satisfies: A(x,y) = 1 + x*y*A(x,y+1)^2.at n=33A268652
• Centered 10-gonal numbers which are products of two primes.at n=41A367792
• a(n) = sqrt(A370259(2*n)/(n+1)) for n >= 1.at n=4A370261