# A351805 (b-file synthesized from sequence entry) 0 0 1 0 2 32 3 8051 4 290675 5 4353175 6 38761975 7 243824182 8 1194358326 9 4842169350 10 16924669350 11 52488756425 12 147511725257 13 381689190701 14 920589376525 15 2089893985900 16 4500779925100 17 9254143113132 18 18262909865676 19 34746798604575 20 63973358604575 21 114343801467875