# A144692 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 0 4 17 5 0 6 408 7 0 8 69473 9 0 10 6018928 11 0 12 1363916728 13 0 14 219434809664 15 0 16 184186824259233 17 0 18 57411426894898072 19 0 20 38606038922780709192 21 0 22 16136153318586799828504 23 0 24 20401945614919621585224136 25 0 26 12864310266687158415460633528 27 0