# A055528 (b-file synthesized from sequence entry) 0 0 1 1 2 18 3 207 4 2134 5 21465 6 214866 7 2149003 8 21490542 9 214906149 10 2149062490 11 21490626231 12 214906264038 13 2149062642577 14 21490626428514 15 214906264288515 16 2149062642889246 17 21490626428897373 18 214906264288979562 19 2149062642889802479 20 21490626428898032790