# A074159 (b-file synthesized from sequence entry) 1 1 2 210 3 321 4 43212 5 543210 6 6543210 7 76543215 8 876543216 9 987654321 10 109876543210 11 11109876543216 12 1211109876543216 13 131211109876543216 14 14131211109876543214 15 1514131211109876543210 16 161514131211109876543216