# A036614 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 4 5 9 6 19 7 45 8 106 9 260 10 642 11 1614 12 4074 13 10356 14 26341 15 67093 16 170735 17 434149 18 1102279 19 2794856 20 7075440 21 17887216 22 45157381 23 113859010 24 286737286 25 721310274 26 1812628225 27 4550676482 28 11414249153 29 28605296518 30 71629527442