# A002291 (b-file synthesized from sequence entry) 0 0 1 1 2 4 3 2 4 8 5 13 6 28 7 26 8 56 9 69 10 48 11 134 12 80 13 182 14 84 15 312 16 280 17 204 18 332 19 142 20 816 21 91 22 196 23 780 24 224 25 526 26 244 27 1198 28 2216 29 767 30 508 31 390 32 400 33 1167 34 1424 35 466 36 2264 37 1391 38 1392 39 3796 40 1480 41 11 42 1768 43 2274 44 1320 45 1508 46 1984 47 8450