# A026383 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 10 4 25 5 50 6 125 7 250 8 625 9 1250 10 3125 11 6250 12 15625 13 31250 14 78125 15 156250 16 390625 17 781250 18 1953125 19 3906250 20 9765625 21 19531250 22 48828125 23 97656250 24 244140625 25 488281250 26 1220703125 27 2441406250 28 6103515625 29 12207031250