# A116573 (b-file synthesized from sequence entry) 0 1 1 0 2 4 3 17 4 1 5 82 6 324 7 49 8 961 9 5185 10 2501 11 5776 12 57600 13 54290 14 15625 15 497026 16 801025 17 1 18 3437317 19 9120400 20 1256641 21 18714277 22 85766122 23 38850289 24 72999937