# A016818 (b-file synthesized from sequence entry) 0 1 1 15625 2 531441 3 4826809 4 24137569 5 85766121 6 244140625 7 594823321 8 1291467969 9 2565726409 10 4750104241 11 8303765625 12 13841287201 13 22164361129 14 34296447249 15 51520374361 16 75418890625 17 107918163081