Board Thread:Fun and Games/@comment-34025328-20200109095540/@comment-36696062-20200208043450

Number of gifts after 12 days of christmas (or 1+1+2+1+2+3+1+2+3+4+1+2+3+4+5+1+2+3+4+5+6+1+2+3+4+5+6+7+1+2+3+4+5+6+7+8+1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9+10+1+2+3+4+5+6+7+8+9+10+11+1+2+3+4+5+6+7+8+9+10+11+12)