# A001772 (b-file synthesized from sequence entry) 1 2 2 26 3 50 4 54 5 126 6 134 7 246 8 354 9 362 10 950 11 1310 12 2498 13 6926 14 11826 15 31734 16 67850 17 74726 18 96150 19 374114 20 696438 21 743322 22 1044086 23 1104606 24 1261478