1089728640

Appears in sequences

• Second (unsigned) column sequence of triangle A062138 (generalized a=5 Laguerre).at n=8A062148
• a(n) = denominator(b(n)), where b(1) = b(2) = 1, b(n) = (b(n-1) + b(n-2))/(n-1).at n=14A069944
• Number of multiples of n that can be obtained by permuting the digits of number formed by the concatenation of first n numbers.at n=11A077193
• a(n) = (n+3)!/(d(n)*d(n+1)*d(n+2)) where d(n) = cancellation factor in reducing Sum_{k=0...n} 1/k! to lowest terms.at n=11A123900