# A220144 (b-file synthesized from sequence entry) 1 4 2 6 3 9 4 18 5 24 6 42 7 54 8 120 9 258 10 396 11 420 12 594 13 744 14 840 15 1074 16 1800 17 2130 18 2172 19 2256 20 2304 21 2550 22 2778 23 3282 24 3792 25 3894 26 4170 27 4488 28 4578 29 4626 30 4848 31 5562 32 5754 33 6192 34 6252 35 7260 36 7428 37 7920 38 9654