# A123628 (b-file synthesized from sequence entry) 1 1 2 3 3 11 4 43 5 683 6 2731 7 43691 8 174763 9 2796203 10 402488219476647465854701 11 715827883 12 10300379826060720504760427912621791994517454717 13 254760179343040585394724919772965278539769280548173566545431025735121201