# A078876 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 27 4 272 5 1625 6 6993 7 24010 8 69888 9 179334 10 416625 11 893101 12 1791504 13 3398759 14 6148961 15 10678500 16 17895424 17 29065308 18 45916065 19 70764303 20 106666000 21 157594437 22 228648497 23 326294606 24 458645760 25 635781250 26 870110865 27 1176787521 28 1574172432 29 2084357107