# A124635 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 37 4 143 5 478 6 1588 7 4910 8 14748 9 42235 10 116910 11 311478 12 803343 13 2004434 14 4853669 15 11414943 16 26127222 17 58267164 18 126811068 19 269647980 20 560935635 21 1142812869 22 2282784640 23 4475122564 24 8618047164 25 16317369805 26 30400944921 27 55776101043 28 100842883244