# A162092 (b-file synthesized from sequence entry) 1 2 2 3 3 7 4 16 5 41 6 109 7 298 8 858 9 2533 10 7773 11 24438 12 79079 13 261961 14 888335 15 3078307 16 10884541 17 39246121 18 144089532 19 538426333 20 2045444718 21 7895980672 22 30947906902 23 123093837504 24 496552331743 25 2030469580356