# A048366 (b-file synthesized from sequence entry) 1 1 2 11 3 58 4 106 5 671 6 1041 7 10058 8 22598 9 145981 10 480765 11 2359231 12 10297461 13 4836178 14 100395471 15 465933117 16 481182258 17 4810215701 18 16886336471 19 49303833471 20 103791158471 21 223818432208 22 4643311948655 23 4809689791471