# A335666 (b-file synthesized from sequence entry) 1 1 2 3 3 10 4 21 5 46 6 90 7 168 8 295 9 511 10 850 11 1382 12 2198 13 3430 14 5260 15 7960 16 11861 17 17468 18 25445 19 36670 20 52346 21 74092 22 103986 23 144840 24 200322 25 275191 26 375662 27 509816 28 687960 29 923442 30 1233340 31 1639312 32 2168999 33 2857460 34 3748772 35 4898652 36 6377023 37 8271294 38 10690830 39 13771912 40 17683642