# A371230 (b-file synthesized from sequence entry) 0 1 1 0 2 2 3 3 4 128 5 750 6 29964 7 377160 8 15795072 9 329631120 10 15001287120 11 449174341440 12 22551082739712 13 885381886509120 14 49302509206648320 15 2391802812599316480 16 147728974730632012800 17 8502972330919072688640 18 580806950108814502345728