27465

Appears in sequences

• Expansion of e.g.f.: log(1 + tanh(x)*exp(x)).at n=9A009395
• a(n) = n*(2*n^2 + n + 1)/2.at n=29A085786
• The number of closed lambda calculus terms of size n, where size(lambda x.M)=2+size(M), size(M N)=2+size(M)+size(N), and size(V)=1+i for a variable V bound by the i-th enclosing lambda (corresponding to a binary encoding).at n=26A114852
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,1,0 for x=0,1,2,3,4.at n=15A197497
• Expansion of (1+x)/(1+x-2*x^2-3*x^3).at n=25A250103
• Numbers n such that the decimal expansions of both n and n^2 have 2 as smallest digit and 7 as largest digit.at n=14A257123