# A064182 (b-file synthesized from sequence entry) 0 0 1 11 2 171 3 2126 4 24300 5 266400 6 2853708 7 30130317 8 315037281 9 3271067968 10 33787242719 11 347589015681 12 3564432632541 13 36457601891708 14 372096179850464 15 3790896863469849 16 38562555830676602 17 391760068087338367 18 3975397006170581823 19 40066272402579605194