27582

Appears in sequences

• Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m<n, sigma(n) being the sum of the divisors of n.at n=30A071927
• a(n) = digit reversal of A103741(n).at n=23A103763
• a(n) = digit reversal of A103764.at n=5A103837
• Averages of twin prime pairs that are sums of 5 consecutive averages of twin prime pairs.at n=15A160919
• Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 00101011 or 01010101.at n=5A260924
• Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 00101011 or 01010101.at n=4A260925
• Number of 6 X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself.at n=8A266016