# A112489 (b-file synthesized from sequence entry) 3 15 4 315 5 4900 6 70532 7 1008980 8 14777620 9 224655816 10 3568061640 11 59371808496 12 1035987707664 13 18953413075584 14 363290743698048 15 7287692926408704 16 152811506045431296 17 3344880701417587200 18 76327884878442508800