# A213616 (b-file synthesized from sequence entry) 0 1 1 2 2 -3 3 6 4 -18 5 13 6 2 7 -9 8 13 9 -6 10 30 11 -180 12 390 13 -360 14 119 15 6 16 -45 17 130 18 -180 19 119 20 -30 21 42 22 -378 23 1365 24 -2520 25 2499 26 -1260 27 253 28 6 29 -63 30 273 31 -630 32 833 33 -630 34 253 35 -42 36 30 37 -360 38 1820 39 -5040 40 8330 41 -8400 42 5060 43 -1680 44 239 45 10 46 -135 47 780 48 -2520 49 4998 50 -6300