A295822 Number of coprime pairs (a,b) with -n <= a <= n, -3 <= b <= 3.
2, 16, 24, 32, 40, 52, 56, 68, 76, 84, 92, 104, 108, 120, 128, 136, 144, 156, 160, 172, 180, 188, 196, 208, 212, 224, 232, 240, 248, 260, 264, 276, 284, 292, 300, 312, 316, 328, 336, 344, 352, 364, 368, 380, 388, 396, 404, 416, 420, 432, 440, 448, 456, 468
Offset: 0