# A018883 (b-file synthesized from sequence entry) 2 2 3 3 4 12 5 21 6 21 7 21 8 60 9 184 10 184 11 280 12 280 13 364 14 364 15 364 16 1456 17 3124 18 3124 19 5236 20 5236 21 5236 22 5236 23 17185 24 17185 25 25249 26 25249 27 25249 28 25249 29 49504 30 49504 31 49504 32 49504 33 49504 34 49504 35 49504 36 49504 37 233776 38 233776 39 233776 40 233776 41 364144 42 364144