# A176752 (b-file synthesized from sequence entry) 0 1 1 0 2 -2 3 -6 4 -14 5 -26 6 -30 7 30 8 330 9 1286 10 3538 11 6910 12 5434 13 -28618 14 -182302 15 -654098 16 -1693750 17 -2852570 18 264050 19 25822302 20 126877786 21 411465750 22 956711938 23 1191638734 24 -2480333334 25 -23263594746 26 -96124321390