# A036425 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 1 11 9 12 53 13 242 14 954 15 3391 16 11220 17 35180 18 105948 19 309175 20 880175 21 2456272 22 6744581 23 18273594 24 48960386 25 129945805 26 342114018 27 894423399 28 2324138696 29 6006737947 30 15450039511 31 39568319805 32 100941888863 33 256597420700