# A366088 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 13 5 35 6 96 7 264 8 719 9 1913 10 4875 11 11478 12 22860 13 26044 14 -77216 15 -793820 16 -4394125 17 -20304455 18 -85805571 19 -343282020 20 -1321898694 21 -4943906064 22 -18052305410 23 -64551823869 24 -226418611750 25 -779487689870 26 -2633172840764 27 -8717790419014