52428800

Appears in sequences

• a(n) = n*2^(n-4).at n=21A079859
• a(0) = a(1) = 1; for n > 1, a(n) = (n+2)*2^(n-2).at n=23A087447
• Smallest number beginning with 5 and having exactly n prime divisors counted with multiplicity.at n=22A106425
• First differences of A129952.at n=23A129953
• Denominators of coefficient of x^(n+1/2) in the series expansion of the haversine.at n=12A143582
• Number of binary strings of length n with equal numbers of 0001 and 1000 substrings.at n=26A164161
• a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=20A187274
• Number of (n+1) X (n+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.at n=17A253461