# A349515 (b-file synthesized from sequence entry) 0 1 1 5 2 35 3 320 4 3415 5 39805 6 490660 7 6288120 8 82935615 9 1118324655 10 15346920635 11 213637539620 12 3009391426340 13 42817011909180 14 614411343795960 15 8881874095390320 16 129224763346019215 17 1890813939312392755 18 27805864640943573385 19 410748152876389349720