# A013623 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 4 4 28 5 49 6 8 7 84 8 294 9 343 10 16 11 224 12 1176 13 2744 14 2401 15 32 16 560 17 3920 18 13720 19 24010 20 16807 21 64 22 1344 23 11760 24 54880 25 144060 26 201684 27 117649 28 128 29 3136 30 32928 31 192080 32 672280 33 1411788 34 1647086 35 823543 36 256 37 7168 38 87808 39 614656