# A084541 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 7 6 8 7 14 8 16 9 24 10 32 11 62 12 68 13 77 14 88 15 138 16 162 17 164 18 183 19 321 20 333 21 502 22 1613