# A145730 (b-file synthesized from sequence entry) 0 0 1 4 2 40 3 332 4 2672 5 21396 6 171192 7 1369564 8 10956544 9 87652388 10 701219144 11 5609753196 12 44878025616 13 359024204980 14 2872193639896 15 22977549119228 16 183820392953888 17 1470563143631172 18 11764505149049448 19 94116041192395660