# A175852 (b-file synthesized from sequence entry) 1 5 2 25 3 625 4 3125 5 78125 6 390625 7 9765625 8 48828125 9 244140625 10 6103515625 11 30517578125 12 762939453125 13 3814697265625 14 95367431640625 15 476837158203125 16 2384185791015625 17 59604644775390625 18 298023223876953125