138472domain: NAppears in sequencesNumber of compositions of 5*n-4 into parts 2 and 5.at n=12A369844Expansion of (1 + x)^2/(1 - x^2*(1 + x)^3).at n=19A375317Expansion of 1 / ((1-x)^2 - x^5).at n=28A392540