# A162485 (b-file synthesized from sequence entry) 1 4 2 6 3 16 4 34 5 84 6 198 7 480 8 1154 9 2788 10 6726 11 16240 12 39202 13 94644 14 228486 15 551616 16 1331714 17 3215044 18 7761798 19 18738640 20 45239074 21 109216788 22 263672646 23 636562080 24 1536796802 25 3710155684