:nth-child(n)

by Bathory

n 2n+1 4n+1 4n+4 4n 5n-2 -n+3
0 1 1 4 3
1 3 5 8 4 3 2
2 5 9 12 8 8 1
3 7 13 16 12 13
4 9 17 20 16 18
5 11 21 24 20 23

머리가 안돌아가서 적어둠….


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