# A111557 (b-file synthesized from sequence entry) 0 1 1 5 2 34 3 282 4 2696 5 28792 6 337072 7 4273632 8 58195072 9 846038912 10 13072140032 11 213897731712 12 3695682017792 13 67254929193472 14 1286282280266752 15 25802708552696832 16 541894309127053312 17 11894387852938452992