# A094286 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 9 5 21 6 51 7 127 8 323 9 835 10 2187 11 5787 12 15435 13 41419 14 111659 15 302059 16 819243 17 2226219 18 6058155 19 16503211 20 44991659 21 122727595 22 334914219 23 914235051 24 2496201387 25 6816678571 26 18617371307 27 50851322539 28 138903833259 29 379443202731 30 1036559854251