# A016893 (b-file synthesized from sequence entry) 0 19683 1 134217728 2 10604499373 3 198359290368 4 1801152661463 5 10578455953408 6 46411484401953 7 165216101262848 8 502592611936843 9 1352605460594688 10 3299763591802133 11 7427658739644928 12 15633814156853823