# A363599 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 8 4 18 5 48 6 109 7 264 8 594 9 1360 10 2988 11 6552 12 14115 13 30048 14 63288 15 131800 16 271953 17 555792 18 1126583 19 2264472 20 4518051 21 8948544 22 17603781 23 34405272 24 66828247 25 129040704 26 247765665 27 473160696 28 898924929 29 1699331808 30 3197083220 31 5987288352 32 11162934948