# A358436 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 45 4 322 5 2730 6 26004 7 268554 8 2940080 9 33635316 10 398300344 11 4849845000 12 60429982144 13 767721774800 14 9916427702880 15 129937069996965 16 1724052965464890 17 23129299114182030 18 313351935000465900 19 4282621342230699930 20 58994556159403576140 21 818487022124443918740