# A125584 (b-file synthesized from sequence entry) 0 2 1 2 2 2 3 2 4 4 5 4 6 12 7 20 8 16 9 24 10 64 11 96 12 144 13 128 14 320 15 384 16 512 17 1008 18 1296 19 1024 20 2700 21 2592 22 4800 23 6144 24 8448 25 12672