# A091759 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 26 4 208 5 2222 6 29412 7 466034 8 8609344 9 181818182 10 4322904100 11 114308980106 12 3328297874640 13 105828636433886 14 3649115753173828 15 135637824071393762 16 5406799097296318720 17 230095953656704898102