# A126157 (b-file synthesized from sequence entry) 0 1 1 5 2 55 3 1415 4 69025 5 5403005 6 616437655 7 96365988815 8 19756766836225 9 5140259013390005 10 1654190282113104055 11 645005323804145184215 12 299613583126435893179425 13 163464903833408195554809005