A180286 Number of arrangements of n indistinguishable balls in n boxes with the maximum number of balls in any box equal to 6

6, 42, 224, 1080, 4950, 22022, 96030, 412698, 1754116, 7391475, 30931296, 128709040, 533063220, 2199009840, 9040786150, 37061007270, 151538768920, 618244490589, 2517320600894, 10231810963750, 41522339189370