# A065506 (b-file synthesized from sequence entry) 3 1 4 2 5 7 6 15 7 39 8 84 9 196 10 419 11 928 12 1965 13 4227 14 8871 15 18742 16 39032 17 81481 18 168606 19 349011 20 718371 21 1477783 22 3028412 23 6200296 24 12660171 25 25823604 26 52569417 27 106908199 28 217086287 29 440402878 30 892384788 31 1806730377 32 3654428154