# A064562 (b-file synthesized from sequence entry) 1 3 2 12 3 48 4 75 5 192 6 768 7 1875 8 3072 9 12288 10 46875 11 49152 12 196608 13 786432 14 1171875 15 3145728 16 12582912 17 29296875 18 50331648 19 201326592 20 732421875 21 805306368 22 3221225472 23 12884901888 24 18310546875 25 51539607552 26 206158430208