# A125448 (b-file synthesized from sequence entry) 0 1 1 13 2 149 3 1597 4 18421 5 213703 6 2485463 7 28921087 8 336574029 9 3917060635 10 45587258159 11 530551444117 12 6174641413639 13 71861459611123 14 836335130323205 15 9733401730942177 16 113278883062209261 17 1318357724085097789