# A203764 (b-file synthesized from sequence entry) 1 1 2 9 3 36 4 2401 5 21609 6 4112784 7 65804544 8 25344958401 9 633623960025 10 413815190632704 11 14897346862777344 12 14823103693846716801 13 726332080998489123249 14 1025131531800200888254464 15 65608418035212856848285696