# A077933 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 2 4 -6 5 10 6 -5 7 -15 8 51 9 -76 10 36 11 132 12 -411 13 595 14 -235 15 -1130 16 3326 17 -4626 18 1471 19 9637 20 -26841 21 35880 22 -8440 23 -81720 24 216201 25 -277401 26 40681 27 689642 28 -1738046 29 2137490 30 -109245 31 -5794535 32 13945051 33 -16410276 34 -864084 35 48493772 36 -111669651 37 125487675 38 20857725 39 -404360450