# A361403 (b-file synthesized from sequence entry) 0 1 1 0 2 5 3 23 4 247 5 4660 6 124480 7 4286155 8 177173770 9 8460721770 10 456369771864 11 27394102475517 12 1809905002448020 13 130479709461582679 14 10191059146232826353 15 857183200472049855001 16 77244717697104310952411 17 7424434373914632379955822 18 758150225111024064264853603 19 81967014740890327829104517614 20 9353488650500180241693235592248