# A085360 (b-file synthesized from sequence entry) 1 1 2 4 3 10 4 21 5 39 6 68 7 112 8 178 9 274 10 412 11 606 12 877 13 1249 14 1756 15 2439 16 3353 17 4564 18 6160 19 8246 20 10959 21 14464 22 18971 23 24733 24 32070 25 41365 26 53096 27 67837 28 86296 29 109320 30 137948