266176
domain: N
Appears in sequences
- Row sums of even numbered rows of array T in A050870 (periodic binary words).at n=18A050871
- Counts of unique periodic binary strings of length n.at n=36A152061
- Nonprimes n such that the sum of proper divisors of n and the product of proper divisors of n are both perfect cubes.at n=25A244429
- Composite numbers whose sum of proper divisors is a power of 2.at n=24A279731
- Let q be the n-th prime power (A246655), then a(n) = q^3 + q^2 - q; number of solutions to x*y = z*w in the finite field F_q.at n=26A367014
- Nonprime numbers whose sum of proper divisors is a power of 4.at n=15A383872