# A113289 (b-file synthesized from sequence entry) 0 1 1 -1 2 4 3 -15 4 36 5 -119 6 302 7 -911 8 2440 9 -7199 10 20186 11 -60359 12 177204 13 -546615 14 1683286 15 -5401759 16 17456128 17 -58447151 18 197925490 19 -691264279 20 2446636396 21 -8897012871 22 32811147054 23 -123933345455 24 474792813176 25 -1858243857599 26 7375013350282 27 -29840434526951