# A344047 (b-file synthesized from sequence entry) 1 1 2 10 3 65 4 2411 5 7777 6 2986058 7 2097153 8 2562893036 9 10604499438 10 3570467234410 11 743008370689 12 232218265092200875 13 793714773254145 14 21035720123170684938 15 504857282956046114465 16 727423121747187826721517 17 2185911559738696531969 18 43567528752021332763809905512 19 5242880000000000000000001