# A017553 (b-file synthesized from sequence entry) 0 512 1 20661046784 2 5429503678976 3 165216101262848 4 1953125000000000 5 13537086546263552 6 66540410775079424 7 257327417311663616 8 833747762130149888 9 2357947691000000000 10 5987402799531080192