# A026661 (b-file synthesized from sequence entry) 1 1 2 5 3 20 4 87 5 358 6 1533 7 6445 8 27555 9 117529 10 503001 11 2167209 12 9289047 13 40320051 14 173069913 15 755481768 16 3247042719 17 14236984102 18 61259521341 19 269560841080 20 1161017915091 21 5123885956516 22 22087793150253 23 97719510829418