# A193382 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 -1 4 -1 5 -1 6 0 7 2 8 3 9 3 10 0 11 -6 12 -10 13 -10 14 0 15 20 16 35 17 35 18 0 19 -70 20 -126 21 -126 22 0 23 252 24 462 25 462 26 0 27 -924 28 -1716 29 -1716 30 0 31 3432 32 6435 33 6435 34 0 35 -12870 36 -24310 37 -24310 38 0 39 48620 40 92378 41 92378 42 0 43 -184756 44 -352716 45 -352716 46 0 47 705432 48 1352078 49 1352078 50 0 51 -2704156