# A172242 (b-file synthesized from sequence entry) 10 1 11 22 12 264 13 2288 14 16016 15 96096 16 512512 17 2489344 18 11202048 19 47297536 20 189190144 21 722362368 22 2648662016 23 9372188672 24 32133218304 25 107110727680 26 348109864960 27 1105760747520 28 3440144547840 29 10501493882880 30 31504481648640