# A275434 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 2 4 4 5 12 6 28 7 68 8 156 9 356 10 796 11 1764 12 3868 13 8420 14 18204 15 39140 16 83740 17 178404 18 378652 19 800996 20 1689372 21 3553508 22 7456540 23 15612132 24 32622364 25 68040932 26 141674268 27 294533348 28 611436316 29 1267611876 30 2624702236 31 5428361444 32 11214636828