# A017416 (b-file synthesized from sequence entry) 0 16 1 28561 2 331776 3 1500625 4 4477456 5 10556001 6 21381376 7 38950081 8 65610000 9 104060401 10 157351936 11 228886641 12 322417936 13 442050625 14 592240896 15 777796321 16 1003875856 17 1275989841 18 1600000000 19 1982119441