42728

Appears in sequences

• a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2*n - 3 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = 1 and a(3) = 4.at n=17A049896
• G.f. satisfies A(x) = 1 + x*(1 + x*A(x)^2)^6.at n=7A137968
• G.f. A(x) satisfies A(x) = 1 + x^4 * (A(x) / (1 - x))^2.at n=22A361229
• Cycle lengths obtained by repeated application of the distance-minimizing variant of the strip bijection for the square lattice described in A367150.at n=29A367146