44072

Appears in sequences

• Expansion of b(q^2) * c(q^6) / (b(q) * c(q^3)) in powers of q where b(), c() are cubic AGM theta functions.at n=27A123629
• a(n) = n^3 + (n+2)^3.at n=27A153976
• a(n) = 225*n^2 - 2*n.at n=13A158226
• Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime.at n=18A175683
• Expansion of c(q^2) * b(q^6) / (b(q) * c(q) * b(q^3) * c(q^3))^(1/2) in powers of q where b(), c() are cubic AGM theta functions.at n=28A212484
• Number of idempotent 3 X 3 -n..n matrices.at n=11A223455
• Least number m such that there exist exactly n pairs of numbers (a,b), 0 < a < b < m, such that a+b, a+m, and b+m are all squares.at n=37A246766
• Expansion of f(-x, -x^5)^3 / (f(x, x^5) * f(-x^2, -x^2)^2) in powers of x where f(, ) is Ramanujan's general theta function.at n=18A260057
• Expansion of f(x, x^5)^3 / (f(-x, -x^5) * f(-x^2, -x^2)^2) in powers of x where f(, ) is Ramanujan's general theta function.at n=18A260150
• Sum of lcm(gcd(i,j), gcd(k,l)) for i,j,k,l in range [1..n].at n=10A260842
• a(n) = 4*n*(4*n^2 + 3).at n=14A271636
• Numbers k such that (266*10^k - 17)/3 is prime.at n=28A273944
• T(n,k) is the n-th derivative of the difference between the k-th tetration of x (power tower of order k) and its predecessor (or 0 if k=0) at x=1; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=39A277536