174594420

Appears in sequences

• Numbers with exactly 8 distinct prime divisors {2,3,5,7,11,13,17,19}.at n=17A147575
• a(n) = 0!*1!*2!*(3*n)!*3*n*(n-1) / ((n)!*(n+1)!*(n+2)!).at n=6A181201
• T(n,k) = 0!*1!*2!*...*(k-1)! *(n*k)! *k*(k-1)*n*(n-1) / 2*n!*(n+1)!*...*(n+k-1)!at n=38A181204
• a(n) = (2^floor(n+n/2)/sqrt(Pi)^mod(n+1,2))*Gamma(n+1/2)/Gamma(n/2+1).at n=10A264152
• a(n) = (A000040(n)-1) * A002110(n).at n=7A286629
• Least k such that Sum_{i=0..n} (-k)^i / i! is a positive integer.at n=27A333074
• a(n) = binomial(4*n, 2*n)*(2*n)!/(2^n*n!).at n=5A359761