# A174565 (b-file synthesized from sequence entry) 0 1 1 1 2 -3 3 9 4 -11 5 1 6 45 7 -135 8 229 9 -143 10 -483 11 2025 12 -4139 13 4321 14 3597 15 -28071 16 69829 17 -97199 18 12285 19 351945 20 -1104971 21 1907137 22 -1301523 23 -3723975 24 16378021 25 -34238159 26 37202397 27 25345449 28 -224845931 29 573156001 30 -820084275 31 167628825 32 2777450629 33 -9002867183