51532
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of deco polyominoes of height n in which the maximal number of initial consecutive columns ending at the same level is k (1 <= k <= n).at n=58A140709
- a(n) = ceiling((n+1/n)^4).at n=14A197903
- G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n/(1 - x^2*A(x)^n).at n=14A340333