# A157774 (b-file synthesized from sequence entry) 0 1 1 -9 2 -175 3 6183 4 209825 5 -12938409 6 -649941775 7 56426750343 8 3774162697025 9 -421555664358729 10 -35240023415083375 11 4811182874732508903 12 482622211682628032225 13 -77871245245152983900649 14 -9113360881681069177600975 15 1696667241973068492022945863