# A179533 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 23 4 85 5 332 6 1369 7 5870 8 25945 9 117374 10 540805 11 2528675 12 11966923 13 57206972 14 275824159 15 1339721519 16 6549093013 17 32195473406 18 159065828029 19 789395034701 20 3933239089903 21 19668745466636 22 98679891233803 23 496570499905832 24 2505670304785615 25 12675395921692394 26 64270076976110203 27 326580624341708693 28 1662796531746045157 29 8481930651824392268 30 43341418581113085697