# A173775 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 10 6 0 7 882 8 13312 9 85536 10 561440 11 2276736 12 9471744 13 27991470 14 85725696 15 209107890 16 525062144 17 1116665944 18 2437807104 19 4691672964 20 9234168960 21 16462896030 22 29919532544 23 50215537658 24 85687824384 25 136944081500