78625

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 8 ways.at n=14A025291
• Numbers that are the sum of 2 nonzero squares in 7 or more ways.at n=15A025298
• Numbers that are the sum of 2 nonzero squares in 8 or more ways.at n=15A025299
• Numbers that are the sum of 2 distinct nonzero squares in exactly 8 ways.at n=14A025309
• Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways.at n=15A025317
• Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways.at n=15A025318
• Number of permutations sigma such that sigma^5=Id; degree-n permutations of order dividing 5.at n=10A052501
• Numbers k such that phi(k) and cototient(k) are squares but k is not in A054755.at n=29A054756
• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 18 (most significant digit on right).at n=22A061947
• Numbers n such that sigma(reverse(n)) = phi(n).at n=23A070856
• Number of strings of length n over Z_5 with trace 0 and subtrace 0.at n=8A073963
• Number of strings of length n over Z_5 with trace 1 and subtrace 1.at n=8A073967
• Number of elements of GF(5^n) with trace 0 and subtrace 0.at n=8A074006
• Number of elements of GF(5^n) with trace 1 and subtrace 1.at n=8A074010
• Numbers n that are the hypotenuse of exactly 31 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 31 ways.at n=6A097244
• Triangle read by rows: coefficient of x^n in the Taylor expansion of x/(1 - m*x - x^4) in row n, column m=1..n+2.at n=49A117742
• Numbers that set records for number of divisors of n(n-1).at n=28A192488
• Integer nearest to Li(10^n) - Li(3), where Li(x) = integral(0..x, dt/log(t)).at n=5A223166
• Numbers m > 1 such that every prime divisor p of m satisfies s_p(m) = p.at n=27A324458
• Array read by rows: T(n,k) is the number of solutions to the equation Sum_{i=1..n} x_i^2 == k (mod 5) with x_i in 0..4, where n >= 0 and 0 <= k <= 4.at n=40A330607