5598720

Appears in sequences

• Restricted permutations.at n=11A002777
• a(n) is the n-th sextic factorial number divided by 6.at n=5A034788
• Product{[n/k + 1/2]: k=1,2,...,n}, where [x + 1/2] denotes the integer nearest to x.at n=17A075999
• Number of permutations of 1..n with i-10 <= p(i) <= i+5.at n=10A179365
• Number of permutations of [n] avoiding ascents from odd to even numbers.at n=11A231601
• Number T(n,k) of permutations of [n] with exactly k ascents from odd to even numbers; triangle T(n,k), n>=0, 0<=k<=floor(n/2), read by rows.at n=36A231777
• Number of n X 3 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.at n=6A268966
• Number of 7Xn 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two not more than once.at n=2A268977
• a(0) = 1; for n > 0, a(n) = A000120(n) * a(n-A000120(n)), where A000120(n) is the binary weight of n.at n=49A320008
• The least number which can be represented as a product of the greatest number of distinct positive integers in exactly n ways.at n=39A338159
• a(n) = (n-1)! * n^n.at n=5A369569
• Expansion of e.g.f. 1 / (1 + x^2 * log(1 - x))^3.at n=9A375679