# A279013 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 35 4 161 5 768 6 3773 7 19006 8 97840 9 513264 10 2737121 11 14805805 12 81082383 13 448805300 14 2507310567 15 14120503129 16 80082573017 17 456977964520 18 2621830478785 19 15114658956625 20 87508451311125 21 508589225952740 22 2966098696204660