16000000

Appears in sequences

• a(n)^3 is smallest cube containing exactly n 0's.at n=19A048365
• a(n)=2*a(n-1), except every tenth time you multiply by 1000/512 instead of by 2.at n=24A051535
• Coefficient of q^n in (1-q)^5/(1-5q); dimensions of the enveloping algebra of the derived free Lie algebra on 5 letters.at n=11A118266
• Denominators of partial sums of Catalan numbers scaled by powers of 1/20.at n=6A120787
• Denominators of partial sums of Catalan numbers scaled by powers of -1/20.at n=6A120796
• T(n,k)=Number of nXk 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=34A224204
• Number of 7Xn 0..3 arrays with rows unimodal and antidiagonals nondecreasing.at n=1A224209
• T(n,k)=Number of nXk 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=34A224281
• Number of 7Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=1A224286
• a(n) = n^(n+1) * (n-1)^n.at n=4A258385
• Denominator of binomial(2*n,n)/20^n.at n=6A285021
• Triangle read by rows formed from the coefficients in ascending order of the characteristic polynomial of the n X n matrix M(n) with entries M(n)[i,j] = i*j mod n+1.at n=47A350710
• Numbers k for which A327503(A046523(k)) differs from A327503(k).at n=4A351948
• Numbers whose number of divisors is coprime to 30.at n=22A354178
• Exponentially evil squares.at n=21A367803
• Powers k^m, m > 1, where k is an Achilles number such that A053669(k) < A006530(k).at n=20A389341
• Powers k^m, m > 1, where k is an Achilles number that is not a product of primorials.at n=27A389814