26958

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=18A071927
• Numbers k such that k and 5*k, taken together, are pandigital.at n=19A115925
• Sequence shifts left when Weigh transform is applied seven times with a(n) = n for n<2.at n=9A316107
• Number of simple graphs covering n vertices with distinct rotations.at n=6A324462
• Composite numbers k such that D(k) == 3 (mod k), where D(k) is the k-th central Delannoy number (A001850).at n=10A330203
• a(n) = (1/8)*A357285.at n=18A357286