35237
domain: N
Appears in sequences
- Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); A000099 gives values of n where |P(n)| sets a new record; sequence gives A(A000099(n)).at n=35A000323
- Number of series-reduced planted compound windmills with n leaves of 2 colors.at n=7A032204
- Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 22.at n=52A051963
- Numbers m such that m and m+2 are both brilliant numbers, where brilliant numbers are semiprimes whose prime factors have an equal number of decimal digits, or whose prime factors are equal.at n=16A083284
- G.f.: A(x) = Product_{n>=0} 1/(1 - a(n)*x^(n+1)) = Sum_{n>=0} a(n)*x^n.at n=13A093637
- T(m, n) is the number of m X n toroidal knot/link mosaics read by rows, with 1 <= n <= m.at n=5A375356
- a(n) is the number of p X p toroidal knot/link mosaics, where p = A000040(n).at n=1A375357