# A151292 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 23 4 85 5 314 6 1207 7 4682 8 18493 9 73688 10 296671 11 1202849 12 4910689 13 20158436 14 83169871 15 344628527 16 1433631973 17 5984532728 18 25060514887 19 105240685511 20 443102517025 21 1870054761632 22 7909539602647 23 33521289826778 24 142330494633985 25 605375433105734 26 2578988979186127 27 11003364185437517