22698
domain: N
Appears in sequences
- Sum of a(n) terms of 1/k^(8/9) first exceeds n.at n=19A056185
- Numbers k that can be expressed as k = w + x = y*z with w*x = y^2 + z^2 where w, x, y, and z are all positive integers.at n=18A057373
- a(n) = 3*(n - 2)*(5*n -11).at n=39A060785
- Averages of twin prime pairs which can be represented as a sum of three consecutive of such pair averages.at n=24A160917
- Numbers that are repdigits with length > 2 in more than one base.at n=43A167783
- Number of (n+1) X (2+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=1A238141
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=4A238145
- Dimension of BSym_n.at n=20A269628
- Numbers m such that beta(m) = tau(m)/2 + 1 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=41A326381
- Non-oblong composites m such that beta(m) = tau(m)/2 + 1 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=39A326388
- For the numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^2 where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z.at n=38A343860
- Expansion of e.g.f. 1 / (3 - 2 * exp(x))^(3/2).at n=5A375948