# A115086 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 12 4 58 5 321 6 1963 7 13053 8 92946 9 702864 10 5599204 11 46746501 12 407019340 13 3682922657 14 34519445611 15 334288656446 16 3336972646500 17 34270606413428 18 361466138304372 19 3909661505975148 20 43305438098350844 21 490632571238216052