51674

Appears in sequences

• Boustrophedon transform (first version) of Fibonacci numbers 1, 1, 2, 3, 5, 8, ...at n=9A092073
• Number of ways to build a contiguous building with n LEGO blocks of size 1 X 4 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position.at n=4A123784
• Expansion of q^(1/4) * (eta(q) / eta(q^3))^3 in powers of q.at n=48A199659
• Numbers k for which sigma(k - x) + sigma(k + x) = 8*k has at least one nonnegative solution.at n=23A384841