# A120709 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 8
5 120
6 18480
7 314954640
8 29650259293200
9 806144692105283180937910919057361600
10 116647824244848662624579303522985859096483200
11 3116996669196650347010384586809853826278378997194387292312487616560888473194736151916402811882584000