A081748 (A081746(n) - n)/4.
0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 6, 7, 8, 9, 10, 9, 10, 9, 10, 11, 10, 11, 10, 11, 12, 13, 14, 13, 14, 15, 16, 17, 16, 17, 16, 17, 18, 17, 18, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 23, 24, 23, 24, 23, 22, 23, 22, 23, 22, 23, 22, 23, 22, 21, 22, 21, 22, 21, 22, 23, 24
Offset: 1
Keywords
Formula
Periodic with period 648.