# A293295 (b-file synthesized from sequence entry) 1 1 2 5 3 27 4 142 5 847 6 5817 7 45733 8 405836 9 4012701 10 43733965 11 520794991 12 6726601050 13 93651619867 14 1398047697137 15 22275111534537 16 377278848390232 17 6768744159489913 18 128228860181918421 19 2557808459478878851 20 53585748788874537830 21 1176328664895760953831