# A093144 (b-file synthesized from sequence entry) 0 0 1 1 2 20 3 350 4 6000 5 102500 6 1750000 7 29875000 8 510000000 9 8706250000 10 148625000000 11 2537187500000 12 43312500000000 13 739390625000000 14 12622187500000000 15 215474218750000000 16 3678375000000000000