# A126491 (b-file synthesized from sequence entry) 0 1 1 23 2 149 3 987 4 6589 5 44191 6 297261 7 2003755 8 13527217 9 91424701 10 618430417 11 4186027957 12 28348547453 13 192055244309 14 1301515597555 15 8822073211457 16 59809085903049 17 405528485035889 18 2749918380375081 19 18648854413662219