124501
domain: N
Appears in sequences
- Strong pseudoprimes to base 28.at n=28A020254
- Strong pseudoprimes to base 50.at n=29A020276
- Numbers n where n^2 = x^3 + y^3; x,y>0 and gcd(x,y)=1.at n=12A099426
- Values of c in a^2 + b^2 = c^2 where b - a = 31 and gcd(a,b)=1.at n=9A116509
- RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n).at n=26A141812
- RMS values of the Primitive RMS numbers: a(n) is the Root Mean Square of the divisors of A141813(n).at n=12A141814
- Positive numbers y such that y^2 is of the form x^2 + (x+31)^2 with integer x.at n=15A157646
- G.f.: (1+8*x+22*x^2+8*x^3+x^4)/(1-x)^6.at n=12A220892
- Number of nX4 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nondecreasing.at n=10A266358
- Isomorphism classes of connected Eulerian digraphs with n vertices, allowing loops.at n=6A308128
- The number of lattice points in the 2D plane contained between the curve y=x^2/4 and the line y=n^2, inclusive, where n is a positive integer.at n=36A385730