# A362730 (b-file synthesized from sequence entry) 0 1 1 4 2 68 3 1336 4 27972 5 607004 6 13478072 7 304083224 8 6941422916 9 159882680452 10 3708781743068 11 86526900550864 12 2028273983776440 13 47733938489878528 14 1127187050415921304 15 26694934151138897336 16 633813403549444601156 17 15082008687681962081088 18 359592614152718921447108