# A172387 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 7 4 33 5 187 6 1208 7 8626 8 66782 9 553355 10 4862938 11 45025668 12 437029462 13 4429568600 14 46738108168 15 512097036882 16 5814415004953 17 68293044651990 18 828547526906649 19 10369747261970151 20 133732024450930096