307294

Appears in sequences

• An accelerator sequence for Catalan's constant.at n=20A094649
• Number of 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=26A114851