# A083071 (b-file synthesized from sequence entry) 0 1 1 3 2 19 3 173 4 2001 5 28087 6 465011 7 8888889 8 192922993 9 4690709411 10 126370284195 11 3738060156613 12 120478742327009 13 4203359652212463 14 157854212399438371 15 6349779403743490289 16 272416890591642213921 17 12417347368421052631579