# A308847 (b-file synthesized from sequence entry) 0 1 1 -2 2 2 3 4 4 -14 5 -52 6 284 7 1496 8 -10958 9 -74372 10 681652 11 5656616 12 -62226116 13 -610306712 14 7832965352 15 88645228304 16 -1300254163918 17 -16676932459172 18 275196007522436 19 3944890321174664 20 -72330003541955564 21 -1145979961718846152 22 23112838345877865752 23 401070175407076000624 24 -8824400094691629670724