# A366178 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 67 4 502 5 4045 6 34279 7 301232 8 2720266 9 25091431 10 235394601 11 2239139980 12 21546299491 13 209361514219 14 2051379996574 15 20245794958408 16 201079938971546 17 2008276118393320 18 20157131084034349 19 203215717750220949 20 2056913539436637829