68550domain: NAppears in sequencesIntersection of A108027, A108028, A108029 and A108030.at n=27A108109Number of ways to place 6 nonattacking amazons (superqueens) on a 6 X n board.at n=14A174645Total number of n-digit numbers requiring 9 positive biquadrates in their representation as sum of biquadrates.at n=5A186664