345600

Appears in sequences

• Expansion of Product_{m>=1} (1 + m*q^m)^8.at n=9A022636
• (n-1)st elementary symmetric function of binomial(n,0), binomial(n,1), ..., binomial(n,n).at n=5A025135
• Number of 3-fold-free subsets of {1, 2, ..., n}.at n=21A050293
• a(n) = A056622(n!).at n=20A056627
• Sum of divisors of Ramanujan's highly composite numbers, or sigma(A002182(n)).at n=28A063072
• Product{[n/k + 1/2]: k=1,2,...,n}, where [x + 1/2] denotes the integer nearest to x.at n=14A075999
• a(n) = [n/1][n/2][n/3] ...[n/n] / n^(tau(n)/2).at n=31A076891
• Sum of the non-unitary divisors of A064115(n) (or of 1+A064115(n)).at n=11A103846
• Replace 2^i with n^i in binary representation of n.at n=23A104258
• Denominator of the O(x^2) term in the Maclaurin series of the square of the Jacobi polynomial P^{a,b}_n(z) about z=1-x for real positive x.at n=4A108214
• Powerful numbers (definition 1) sandwiched between twin primes.at n=20A113839
• Sigma(A033631(n)) {sigma is the sum of divisors function A000203}.at n=34A115619
• Terminal point of a repeated reduction of usigma starting at 2^n.at n=20A146891
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.at n=4A163525
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^6 = I.at n=4A163993
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^7 = I.at n=4A164638
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^8 = I.at n=4A164963
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^9 = I.at n=4A165368
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^10 = I.at n=4A165967
• Number of reduced words of length n in Coxeter group on 25 generators S_i with relations (S_i)^2 = (S_i S_j)^11 = I.at n=4A166419