# A117110 (b-file synthesized from sequence entry) 0 0 1 1 2 7 3 22 4 100 5 376 6 1552 7 6112 8 24640 9 98176 10 393472 11 1572352 12 6292480 13 25163776 14 100667392 15 402644992 16 1610629120 17 6442418176 18 25769869312 19 103079084032 20 412317122560 21 1649266917376 22 6597070815232 23 26388276969472