# A059931 (b-file synthesized from sequence entry) 1 4 2 9 3 16 4 49 5 64 6 81 7 289 8 324 9 576 10 841 11 2809 12 2916 13 3249 14 3481 15 5184 16 6241 17 7056 18 43681 19 67081 20 321489 21 651249 22 729316