# A291447 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 0 4 0 5 1 6 0 7 0 8 0 9 1 10 -1 11 4 12 0 13 0 14 0 15 1 16 -3 17 48 18 -12 19 36 20 0 21 0 22 0 23 1 24 -7 25 268 26 -176 27 1968 28 -216 29 64 30 0 31 0 32 0 33 1 34 -15 35 240 36 -1580 37 37140 38 -9900 39 10400 40 -5760 41 14400 42 0 43 0 44 0 45 1 46 -31 47 4924 48 -11680 49 488640 50 -238680 51 496320 52 -639360 53 5486400 54 -216000 55 518400