47072domain: NAppears in sequencesExpansion of Product_{k >= 1} 1/(1-x^k)^c(k), where c(1), c(2), ... = 2 3 2 3 2 3 2 3 ....at n=19A029863Number of non-equivalent ways to choose three points in an equilateral triangle grid of side n.at n=14A230723