# A121580 (b-file synthesized from sequence entry) 1 1 2 3 3 11 4 53 5 317 6 2237 7 18077 8 164237 9 1656077 10 18348557 11 221561357 12 2895986957 13 40737113357 14 613623026957 15 9854521894157 16 168083120422157 17 3034505335078157 18 57810369261862157 19 1159018646647078157