# A138983 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 33 4 241 5 2391 6 30903 7 499000 8 9804344 9 230270387 10 6364661087 11 204142831017 12 7508991442137 13 313657014920304 14 14753881974826196 15 775751424297987671 16 45294591976852153687 17 2919681469388967044215