170170

Appears in sequences

• Stirling numbers of the first kind: s(n+2, n).at n=33A000914
• Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-2)/2.at n=30A047192
• Expansion of (1+5*x)/(1-x)^10.at n=9A055848
• Squarefree kernel of lcm(binomial(n,0), ..., binomial(n,n)).at n=17A056606
• Denominators of partial sums of reciprocals of primorial numbers.at n=6A064647
• Sum of squares of numbers that cannot be written as t*p(n) + u*p(n+1) for nonnegative integers t,u, where p(n) is the n-th prime.at n=4A076430
• Triangle read by rows: T(n,k) = A002110(n)/prime(n+1-k), k = 1..n.at n=26A077011
• Tenth column (m=9) of (1,6)-Pascal triangle A096956.at n=9A097300
• a(n) = product[k=0..n] P(k), where P(k) is the smallest prime > 3*n. a(n) = product[k=0..n] A118751(k).at n=5A118752
• Triangle T(n,k) read by rows: T(n,0) = A002110(n) and T(n,k) = A002110(n)/prime(k) for 1<=k<=n.at n=30A121281
• Catalan transform of A135092.at n=9A146533
• Array of divisor product arguments appearing in the denominator of the unique representation of primorials A002110 in terms of divisor products.at n=64A185973
• Denominators of r(n) = r(n-1) + r(n-2) + B_(n-2), where B_n is the n-th Bernoulli number A027641(n)/A027642(n).at n=19A228151
• Oscillating orbitals over n sectors (nonpositive values indicating there exist none).at n=17A232500
• Triangle read by rows: T(n, k) = v(n, k)*((1/v(n, k)) mod prime(k)), where v(n, k) = (Product_{j=1..n} prime(j))/prime(k), n >= 1, 1 <= k <= n.at n=22A240673
• Largest number that can be encoded as Product_{i:lambda} prime(i) for a partition lambda of n into distinct parts.at n=26A246868
• Consider numbers n = concat(x,y,z) such that the product x*y*z | n. Leading zeros in y and z allowed. Sequence lists numbers that admit different concatenations.at n=25A256518
• Triangle in which n-th row contains all possible products of n-1 of the first n primes in descending order.at n=22A258566
• "Near Primorial" numbers.at n=18A259629
• Transpose of square array A277810.at n=57A277809