# A083423 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 18 4 81 5 162 6 729 7 1458 8 6561 9 13122 10 59049 11 118098 12 531441 13 1062882 14 4782969 15 9565938 16 43046721 17 86093442 18 387420489 19 774840978 20 3486784401 21 6973568802 22 31381059609 23 62762119218 24 282429536481 25 564859072962