# A242536 (b-file synthesized from sequence entry) 0 1 1 2 2 4 3 12 4 26 5 66 6 160 7 386 8 946 9 2292 10 5582 11 13578 12 33016 13 80330 14 195370 15 475236 16 1155974 17 2811762 18 6839416 19 16636178 20 40466002 21 98429844 22 239421374 23 582370554 24 1416562360 25 3445657082 26 8381242522 27 20386597380 28 49588514390 29 120619477410 30 293395730296