# A020553 (b-file synthesized from sequence entry) 0 13 1 13 2 169 3 53353 4 192765313 5 2987020886401 6 139315413199910401 7 16390164189282661209601 8 4296582368719161586407014401 9 2283380023678431422349630232166401 10 2283380023592597821850615100577136640001 11 4045146997974202929578655563117617193533440001