# A338448 (b-file synthesized from sequence entry) 0 1 1 0 2 -1 3 -2 4 0 5 16 6 50 7 -132 8 -2184 9 -9984 10 6912 11 341760 12 38544 13 -47086272 14 -702019344 15 -6076389984 16 -43980940800 17 -656377887744 18 -16782743357568 19 -368775477229824 20 -6770025717901056 21 -118247220867640320 22 -2271088046291742720 23 -50203882870716579840