# A376478 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 9 5 27 6 81 7 243 8 729 9 2187 10 6561 11 19683 12 59049 13 177147 14 531441 15 1594323 16 4782969 17 14348907 18 43046721 19 129140163 20 387420489 21 1162261467 22 3486784401 23 10460353203 24 31381059609 25 94143178827 26 282429536481 27 847288609443 28 2541865828329 29 7625597484987 30 22876792454961