# A017559 (b-file synthesized from sequence entry) 0 27 1 3375 2 19683 3 59319 4 132651 5 250047 6 421875 7 658503 8 970299 9 1367631 10 1860867 11 2460375 12 3176523 13 4019679 14 5000211 15 6128487 16 7414875 17 8869743 18 10503459 19 12326391 20 14348907 21 16581375 22 19034163