# A122013 (b-file synthesized from sequence entry) 1 1 2 8 3 27 4 49 5 122 6 241 7 530 8 1101 9 2312 10 4909 11 10121 12 21688 13 44379 14 95465 15 194734 16 419573 17 854746 18 1842873 19 3752212 20 8092229 21 16472545 22 35529800 23 72317547 24 155990161 25 317490482 26 684846457 27 1393860866 28 3006669477 29 6119400080