# A238436 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 10 5 23 6 54 7 131 8 319 9 773 10 1876 11 4570 12 11153 13 27230 14 66494 15 162420 16 396856 17 969918 18 2370885 19 5796072 20 14170603 21 34646935 22 84714724 23 207141788 24 506510118 25 1238559994 26 3028671297 27 7406137561 28 18110681635 29 44287420434 30 108299872576 31 264836004204 32 647630466817 33 1583719989406 34 3872845689552