# A275674 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 16 5 25 6 50 7 64 8 100 9 361 10 1444 11 1600 12 4096 13 5776 14 9025 15 36100 16 65536 17 102400 18 262144 19 1478656 20 1638400 21 6553600 22 23658496 23 36966400 24 94633984 25 591462400 26 1073741824 27 2365849600 28 26843545600 29 387620798464 30 9690519961600 31 1152921504606846976 32 28823037615171174400