# A115428 (b-file synthesized from sequence entry) 1 1 2 4 3 20 4 31 5 14564 6 38239 7 69919 8 120395 9 426436 10 902596 11 7478020 12 9090220 13 6671332084 14 8114264059 15 8482227259 16 9900250996 17 2244338786836 18 2490577152964 19 2509440638591 20 2769448208395 21 7012067592220