# A109687 (b-file synthesized from sequence entry) 1 11 2 22 3 63 4 24 5 405 6 96 7 2187 8 1408 9 124659 10 65610 11 4271211 12 38912 13 37614213 14 40507614 15 326836215 16 802816 17 10010754117 18 2496709818 19 23202182619 20 14417920 21 886805499321 22 76709256822 23 1474909801623 24 25165824 25 3922632451125