# A357027 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 6 4 36 5 210 6 2430 7 32424 8 426552 9 6575304 10 118916640 11 2328078456 12 49421111256 13 1153979875152 14 29201577206256 15 791744021665344 16 22988121190902720 17 712541051083100160 18 23447653175729566080 19 816434611464004145280 20 30009023179153182132480