11796480

Appears in sequences

• a(n) = 4^(n-4)*(n-1)*(n-2)*(n-3).at n=7A006044
• Denominators of an asymptotic expansion for the number of forests on n nodes (A001858).at n=12A006573
• Least number whose number of divisors is A007304(n) (the n-th number that is the product of 3 distinct primes).at n=8A061299
• Number of subsets of {1,.., n} containing no twin prime pairs.at n=24A089827
• Row sums of triangle A094280.at n=21A094283
• Duplicate of A061299.at n=8A096933
• Smallest number having exactly t divisors, where t is the n-th triprime (A014612).at n=25A185445
• a(n) = n*4^(n/2 - 1)*(9 + (-1)^n).at n=18A187274
• a(n) = denominator(1 + Sum_{k=1..n} n^2 / Product_{j=1..k} 4*j^2).at n=5A212297
• Triangular array read by rows. T(n,k) is the number of square lattice walks that start and end at the origin after 2n steps having k primitive loops; n>=1, 1<=k<=n.at n=53A227997
• Number of even divisors of n!.at n=34A337257
• a(n) = Sum_{k=0..n} k^4 * (-1)^k * 3^(n-k) * binomial(n,k).at n=15A383151
• Total number of ones in runs of 1s of length <=2 over all binary strings of length n.at n=21A386270