# A122009 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 23 5 233 6 2457 7 26035 8 276031 9 2926761 10 31032737 11 329043491 12 3488884359 13 36993025417 14 392241126601 15 4158975906675 16 44098080031919 17 467576804036105 18 4957768399767825 19 52567764896736163 20 557381806372388791