# A366696 (b-file synthesized from sequence entry) 0 1 1 3 2 10 3 57 4 378 5 2730 6 20853 7 165592 8 1353297 9 11307168 10 96148149 11 829336122 12 7238765532 13 63816716547 14 567425771478 15 5082596905629 16 45820260590481 17 415423374916503 18 3785371205061825 19 34647928319586375 20 318419608552433190 21 2937021429784279707