# A343366 (b-file synthesized from sequence entry) 0 1 1 1 2 9 3 90 4 846 5 8055 6 76224 7 721389 8 6819192 9 64422126 10 608173020 11 5737815756 12 54100140735 13 509794737636 14 4801164836634 15 45192001954005 16 425156458320783 17 3997756503852489 18 37572655020653089 19 352957677187938076 20 3314174696310855888 21 31105460092251410001 22 291818245344169918725