# A059980 (b-file synthesized from sequence entry) 1 1 2 6561 3 1679616 4 100000000 5 2562890625 6 37822859361 7 377801998336 8 2821109907456 9 16815125390625 10 83733937890625 11 360040606269696 12 1370114370683136 13 4702525276151521 14 14774554437890625 15 42998169600000000 16 117033789351264256 17 300283484326400961