# A301270 (b-file synthesized from sequence entry) 4 4 5 20 6 144 7 1372 8 16384 9 236196 10 4000000 11 77948684 12 1719926784 13 42417997492 14 1157018619904 15 34599023437500 16 1125899906842624 17 39618312131623748 18 1499253470328324096 19 60724508119499193196 20 2621440000000000000000 21 120167769980326767578964 22 5829995856912430117421056 23 298461883710362842247633948 24 16079954871362414694843285504