# A148567 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 6 4 19 5 48 6 163 7 458 8 1605 9 4837 10 17348 11 54662 12 199115 13 648801 14 2391554 15 7986126 16 29705879 17 101170951 18 379067774 19 1311200087 20 4941974339 21 17317592643 22 65592787213 23 232321727590 24 883623114005 25 3158597045417 26 12056381659368 27 43435180563827 28 166305377501064 29 603267534346636 30 2316036020003194