# A091882 (b-file synthesized from sequence entry) 0 1 1 5 2 75 3 1125 4 16875 5 253125 6 3796875 7 56953125 8 854296875 9 12814453125 10 192216796875 11 2883251953125 12 43248779296875 13 648731689453125 14 9730975341796875 15 145964630126953125 16 2189469451904296875 17 32842041778564453125 18 492630626678466796875 19 7389459400177001953125