# A366183 (b-file synthesized from sequence entry) 0 1 1 4 2 20 3 145 4 1250 5 11746 6 116641 7 1204039 8 12790067 9 138895021 10 1535005454 11 17207743738 12 195197256289 13 2236419124408 14 25842382083071 15 300822398531482 16 3524358836945936 17 41524956284752018 18 491722951928324392 19 5848997420625891294 20 69854562522309219081