# A027330 (b-file synthesized from sequence entry) 1 1 2 6 3 50 4 394 5 3120 6 24922 7 200676 8 1627434 9 13282008 10 109014050 11 899304906 12 7452793766 13 62019712684 14 518052932358 15 4342182907626 16 36509428285466 17 307859922637008 18 2602876165613074 19 22060637925756358 20 187399432888840254 21 1595268339755117256