# A012770 (b-file synthesized from sequence entry) 0 4 1 544 2 707584 3 3807514624 4 58177770225664 5 2030847773013704704 6 140503203207887919775744 7 17427925514250338592341622784 8 3597303386901777560143500698189824 9 1166406649834620087886383283250988580864