**Number of partitions of {1,2,...,3n} into n triples (X,Y,Z) each satisfying X+Y=Z.**

*1, 1, 0, 0, 8, 21, 0, 0, 3040, 20505, 0, 0, 10567748, 103372655, 0, *

*4 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

Links to OEIS content are included according to The OEIS End-User License Agreement .