44239
domain: N
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 27 ones.at n=22A031795
- a(n) = Sum_{k=1..n} binomial(n+k-1, n)^2 / n.at n=5A129763
- Difference between the cubes and 2*tetrahedral numbers; A000578(n) - 2*A000292(n).at n=41A146298
- Difference between the smallest 10^n-digit Sophie Germain prime and 10^(10^n - 1).at n=2A226747
- Number of odd chordless cycles in the n-Andrásfai graph.at n=13A301771