28185

Appears in sequences

• Numbers n such that the digits of sigma(n) are exactly the same (albeit in different order) as the digits of phi(n), in base 10.at n=31A175795
• Number of (n+1)X(n+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2X2 subblock.at n=5A235876
• Number of (n+1) X (6+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock.at n=5A235882
• a(n) = number of triangles with integer sides i <= j <= k with radius of circumcircle <= n.at n=36A331229
• Number of musical scales in n tone equal temperament respecting the property that alternate notes are 3 or 4 semitones apart.at n=31A361378
• Number of even-length integer partitions of n with integer median.at n=44A361653