A075061 as a triangular array
| | | | | | | | | | 2 |
| | | | | | | | | | 3 | | 4 |
| | | | | | | | | 7 | | 8 | | 9 |
| | | | | | | | 13 | | 14 | | 15 | | 16 |
| | | | | | | 61 | | 62 | | 63 | | 64 | | 65 |
| | | | | | 61 | | 62 | | 63 | | 64 | | 65 | | 66 |
| | | | | 421 | | 422 | | 423 | | 424 | | 425 | | 426 | | 427 |
| | | | 841 | | 842 | | 843 | | 844 | | 845 | | 846 | | 847 | | 848 |
| | | 2521 | | 2522 | | 2523 | | 2524 | | 2525 | | 2526 | | 2527 | | 2528 | | 2529 |
| | 2521 | | 2522 | | 2523 | | 2524 | | 2525 | | 2526 | | 2527 | | 2528 | | 2529 |
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A075061 as a square array
2 | 3 | 7 | 13 | 61 | 61 | 421 | 841 | 2521 | 2521
| 4 | 8 | 14 | 62 | 62 | 422 | 842 | 2522 | 2522
| 9 | 15 | 63 | 63 | 423 | 843 | 2523 | 2523
| 16 | 64 | 64 | 424 | 844 | 2524 | 2524
| 65 | 65 | 425 | 845 | 2525 | 2525
| 66 | 426 | 846 | 2526 | 2526
| 427 | 847 | 2527 | 2527
| 848 | 2528 | 2528
| 2529 | 2529
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A075061 as an upper right triangle
2 | 3 | 7 | 13 | 61 | 61 | 421 | 841 | 2521 | 2521
| | 4 | 8 | 14 | 62 | 62 | 422 | 842 | 2522 | 2522
| | | 9 | 15 | 63 | 63 | 423 | 843 | 2523 | 2523
| | | | 16 | 64 | 64 | 424 | 844 | 2524 | 2524
| | | | | 65 | 65 | 425 | 845 | 2525 | 2525
| | | | | | 66 | 426 | 846 | 2526 | 2526
| | | | | | | 427 | 847 | 2527 | 2527
| | | | | | | | 848 | 2528 | 2528
| | | | | | | | | 2529 | 2529
| | | | | | | | |
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