# A193664 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 6 4 11 5 68 6 177 7 1215 8 4059 9 30733 10 124408 11 1027972 12 4862600 13 43450761 14 234283662 15 2247091674 16 13563976285 17 138780931929 18 925063455844 19 10044476018973 20 73144254450840 21 839146997933059 22 6618306039456419