# A223535 (b-file synthesized from sequence entry) 1 1 2 1 3 5 4 -3 5 15 6 25 7 21 8 -45 9 150 10 125 11 -231 12 375 13 -375 14 1250 15 625 16 693 17 -981 18 750 19 -375 20 1875 21 625 22 -13167 23 17199 24 -11655 25 5250 26 13125 27 3125 28 302841 29 -375417 30 237510 31 -100275 32 26250 33 26250 34 87500 35 15625 36 8176707 37 -9773379 38 5914755 39 -2390850 40 685125 41 -78750