158949
domain: N
Appears in sequences
- Numbers k such that phi(k)/k = 16/29.at n=15A172344
- Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=21A212651
- Numbers k such that core(k+1) = core(k)+1 and k is not squarefree, where core(k) = A007913(k).at n=10A260198
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + n - 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=20A294557
- a(n) = n * (4*n + 3)^2.at n=21A322675
- Numbers k such that k and k+1 are both divisible by the square of their largest prime factor.at n=34A354558