# A356287 (b-file synthesized from sequence entry) 0 1 1 4 2 19 3 187 4 1177 5 10186 6 84442 7 665842 8 5078668 9 42573268 10 343023418 11 2665464058 12 21440629558 13 167644287550 14 1330569327310 15 10641989818078 16 82797155054782 17 644097780350332 18 5102709814966162 19 39499844158337962 20 307777892529889642 21 2406854983109480302