65520

Appears in sequences

• a(n) = 2^n - n.at n=16A000325
• Product of first n nonzero Fibonacci numbers F(1), ..., F(n).at n=8A003266
• Maximal period of an n-stage shift register.at n=18A005417
• a(n) = n! * Fibonacci(n).at n=7A005443
• Denominator of B_{2n}/(-4n), where B_m are the Bernoulli numbers.at n=6A006863
• a(n) = denominator of Bernoulli(2n)/(2n).at n=11A006953
• Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1<=k<=n; sequence gives triangle of numbers f(n,k)/n.at n=22A019576
• Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1<=k<=n; sequence gives f(n,2)/n.at n=6A019577
• Numbers k such that sigma(k) >= 4*k.at n=6A023198
• Eisenstein series E_12(q) (alternate convention E_6(q)), multiplied by 691.at n=1A029828
• Products of successive Fibonacci numbers.at n=44A034722
• Largest number having binary order n (A029837) and of which the number of divisors is maximal in that range of g(k) = n.at n=16A036493
• Numerators of coefficients of Eisenstein series E_12(q) (or E_6(q) or E_24(q)).at n=1A037164
• Number of rooted identity trees of height n. Sets of rank n.at n=4A038081
• A triangle related to A000045 (Fibonacci numbers).at n=29A039948
• Triangle read by rows, the Bell transform of (n+2)!/2 without column 0.at n=22A046089
• Expansion of e..g.f.: (1-x)/(1-x-x^2-x^3+x^4).at n=7A052588
• E.g.f. ( 1-x-sqrt(1-2*x+x^2-4*x^3) )/(2*x^2).at n=7A052743
• Cusp form of weight 13/2 associated to the unique cusp form of weight 12 under Shimura correspondence.at n=56A054891
• Largest number of binary size n (i.e., between (n-1)-th and n-th powers of 2) with the following property: cube of its number of divisors is larger than the number itself.at n=15A056767