# A064565 (b-file synthesized from sequence entry) 1 6 2 15 3 24 4 96 5 375 6 384 7 1536 8 6144 9 9375 10 24576 11 98304 12 234375 13 393216 14 1572864 15 5859375 16 6291456 17 25165824 18 100663296 19 146484375 20 402653184 21 1610612736 22 3662109375 23 6442450944 24 25769803776 25 91552734375 26 103079215104