44115

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 28.at n=14A031706
• Numbers whose set of base-14 digits is {1,2}.at n=38A032934
• Odd composite numbers k such that cototient(k) - phi(k) = k - 2*phi(k) is an odd prime.at n=13A083255
• a(n) = 225*n^2 + 15.at n=14A158557
• Expansion of (1 + x)/(1 - x^2 - 2*x^5).at n=38A237714
• Odd numbers that are not of the form p + 2^a + 2^b with b > a > 0, and p prime.at n=9A268693
• a(n) = 120*n^3 + 60*n^2 + 2*n + 1.at n=7A272126
• Partial sums of A299274.at n=40A299275
• Numbers that are the sum of six fourth powers in six or more ways.at n=6A345563
• Numbers that are the sum of six fourth powers in exactly six ways.at n=4A345818
• Dimension of space of equivariant linear maps from R^{n^3} to R^{n^3} under diagonal action of {-1, 1}^n.at n=15A370649
• E.g.f. A(x) satisfies A(x) = exp( x*((A(x) + A(-x))/2)^2 ).at n=7A385687