# A013061 (b-file synthesized from sequence entry) 0 1 1 -4 2 24 3 -534 4 27272 5 -2170874 6 260563908 7 -43811275382 8 9816624434928 9 -2827858695802930 10 1018209224687676028 11 -448073447471574806926 12 236608835615446145622184 13 -147657298507133683247970826