111280domain: NAppears in sequencesExpansion of Product_{k > 0} (1 + f(k)*x^k), where f(n) = A147952(n).at n=39A147953a(1) = 15; for n > 1, a(n)^2 is the smallest square that begins with a(n-1) in base 6.at n=28A336251Number of ways two L-tiles (with rotation) can be placed on an n X n square.at n=11A348134