# A037211 (b-file synthesized from sequence entry) 0 1 1 81 2 2025 3 9 4 20736 5 324 6 36 7 1296 8 5184 9 1 10 9801 11 81 12 680625 13 2509056 14 160579584 15 4356 16 3828515625 17 37387847900390625 18 3025 19 164433494016 20 245025 21 680625 22 2025 23 95712890625 24 17015625 25 156816 26 627264 27 1936 28 40144896 29 59820556640625