# A323552 (b-file synthesized from sequence entry) 1 4 2 16 3 128 4 512 5 6144 6 98304 7 393216 8 9437184 9 37748736 10 1207959552 11 43486543872 12 1739461754880 13 6957847019520 14 333976656936960 15 1335906627747840 16 80154397664870400 17 4809263859892224000 18 19237055439568896000 19 1385067991648960512000 20 99724895398725156864000