# A045988 (b-file synthesized from sequence entry) 0 10 1 11 2 11 3 12 4 13 5 15 6 18 7 1113 8 1211 9 1314 10 25 11 1819 12 1124 13 1223 14 1327 15 161110 16 191817 17 11151917 18 12151814 19 14111811 20 16171615 21 1110191416 22 112721 23 1218161517 24 1416131618 25 1715101215 26 111211131913 27 111916141118 28 1311171821