# A075490 (b-file synthesized from sequence entry) 1 1 2 2 3 14 4 30 5 1364 6 126 7 335922 8 87380 9 12093234 10 1398100 11 111111111110 12 22369620 13 116719860413532 14 94036996914 15 40210710958664 16 321685687669320 17 314824432191309680912 18 121871948002098 19 749896248023298716143374