# A355409 (b-file synthesized from sequence entry) 0 1 1 1 2 7 3 55 4 571 5 7471 6 117307 7 2148175 8 44958571 9 1058555791 10 27693129307 11 796934764495 12 25018548004171 13 850870651904911 14 31163746960955707 15 1222922731101304015 16 51189052318085027371 17 2276586205163067346831 18 107204914362429152404507