40855

Appears in sequences

• a(n) = the number of "isolated divisors" of n!. A positive divisor, k, of n is isolated if neither (k-1) nor (k+1) divides n.at n=19A133952
• Number of nX1 0..4 arrays with each element equal to the number its horizontal and vertical neighbors less than or equal to itself.at n=14A196537
• Number of days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic.at n=14A210883
• Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic.at n=35A210885
• Number T(n,k) of parts in all proper k-times partitions of n into distinct parts; triangle T(n,k), n >= 1, 0 <= k <= max(0,n-2), read by rows.at n=61A327632