40318

Appears in sequences

• Differences of two factorial numbers.at n=27A051949
• Convolution of the prime numbers with phi(n).at n=46A086734
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k as the last entry in the first block (1<=k<=n).at n=41A177263
• Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} having k as the first entry in the last block (1<=k<=n).at n=39A177264
• Ordered differences of factorials.at n=22A204930
• Number of permutations of {1..n} with fewer than 6 interior elements having values lying between the values of their neighbors.at n=8A226439
• Number of length n arrays x(i), i=1..n with x(i) in 0..i and no value appearing more than 6 times.at n=6A248840
• a(n) = n! - 2.at n=8A261193
• Number of parts in all partitions of n in which no part occurs more than eight times.at n=29A320611
• Numbers k such that k divides the sum of digits in factorial base of all numbers from 1 to k.at n=28A333702
• Lexicographically earliest sequence of distinct positive integers with no finite subset summing to a factorial number (A000142).at n=38A353969
• Triangle read by rows, T(n,k) with n,k > 1, is the number of subsequences of length k over all permutations of [n], which are neither increasing or decreasing.at n=27A373766
• Triangle read by rows: T(n, k) is the number of permutations of length n, which contain the maximum number of distinct patterns of length k.at n=29A373877
• Triangle read by rows: T(n,k) = (-1)^n * n! + (-1)^(k+1) * k! for n >= 2 and 1 <= k <= n-1.at n=22A373967