# A271972 (b-file synthesized from sequence entry) 0 1 1 7 2 21 3 35 4 -7 5 -273 6 -1043 7 -2261 8 -1743 9 8855 10 47621 11 128499 12 180649 13 -176897 14 -1972131 15 -6650245 16 -12796063 17 -4632537 18 71042293 19 316596931 20 769091673 21 860188175 22 -1942889011 23 -13792873269 24 -41571269999 25 -69734967113 26 12059021541 27 536380855955 28 2061110273033 29 4489775100447