# A189846 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 24 5 114 6 628 7 4062 8 30360 9 251658 10 2308648 11 23351268 12 259031232 13 3091784268 14 39697601392 15 546982720164 16 8064677125440