# A159939 (b-file synthesized from sequence entry) 1 9 2 225 3 729 4 18225 5 65025 6 140625 7 531441 8 5267025 9 11390625 10 13286025 11 18792225 12 40640625 13 87890625 14 1522170225 15 2197265625 16 3291890625 17 3839661225 18 5430953025 19 7119140625 20 8303765625 21 11745140625 22 25400390625