Octagonal Numbers:


Cycle Graphs

3-cycle: 14, 51, 82
4-cycle: 0, 0, 176, 560
5-cycle: 0, 1, 39, 57, 8
6-cycle: 0, 0, 1, 39, 57, 8
7-cycle: 0, 0, 1, 7, 58, 75, 21
8-cycle: 0, 0, 1, 64, 69, 27, 13, 8
9-cycle: 0, 0, 1, 20, 20, 45, 88, 88, 8


Grid Graphs

2x2 grid:

Row 1: 0, 0
Row 2: 176, 560

3x2 grid:

Row 1: 8, 0, 40
Row 2: 400, 645, 896

3x2 grid:

Row 1: 0, 1, 39
Row 2: 225, 935, 606
Row 3: 3175, 4526, 4114

4x2 grid:

Row 1: 0, 0, 936, 224
Row 2: 560, 176, 2464, 1

4x3 grid:

Row 1: 0, 0, 40, 5421
Row 2: 176, 560, 1120, 2280
Row 3: 2289, 3696, 6280, 9128

4x4 grid:

Row 1: 0, 0, 1, 20
Row 2: 1680, 5720, 4960, 1025
Row 3: 296, 65120, 41665, 113831
Row 4: 12640: 20225, 7231, 8177