# A351973 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 1 5 1 6 2 7 2 8 3 9 4 10 6 11 9 12 12 13 18 14 24 15 36 16 49 17 72 18 99 19 144 20 200 21 289 22 404 23 581 24 816 25 1168 26 1646 27 2350 28 3320 29 4730 30 6692 31 9522 32 13487 33 19174 34 27177 35 38614 36 54757 37 77771 38 110318 39 156646 40 222246 41 315526 42 447719 43 635569 44 901924 45 1280257 46 1816886 47 2578911