A176988 as a triangular array
| | | | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | | | 3 | | 2 |
| | | | | | | | | | | | | | 5 | | 4 | | 6 |
| | | | | | | | | | | | | 9 | | 7 | | 8 | | 10 |
| | | | | | | | | | | | 15 | | 13 | | 11 | | 12 | | 14 |
| | | | | | | | | | | 21 | | 19 | | 17 | | 16 | | 18 | | 20 |
| | | | | | | | | | 27 | | 25 | | 23 | | 22 | | 24 | | 26 | | 28 |
| | | | | | | | | 35 | | 33 | | 31 | | 29 | | 30 | | 32 | | 34 | | 36 |
| | | | | | | | 45 | | 43 | | 41 | | 39 | | 37 | | 38 | | 40 | | 42 | | 44 |
| | | | | | | 55 | | 53 | | 51 | | 49 | | 47 | | 46 | | 48 | | 50 | | 52 | | 54 |
| | | | | | 65 | | 63 | | 61 | | 59 | | 57 | | 56 | | 58 | | 60 | | 62 | | 64 | | 66 |
| | | | | 77 | | 75 | | 73 | | 71 | | 69 | | 67 | | 68 | | 70 | | 72 | | 74 | | 76 | | 78 |
| | | | 91 | | 89 | | 87 | | 85 | | 83 | | 81 | | 79 | | 80 | | 82 | | 84 | | 86 | | 88 | | 90 |
| | | 105 | | 103 | | 101 | | 99 | | 97 | | 95 | | 93 | | 92 | | 94 | | 96 | | 98 | | 100 | | 102 | | 104 |
| | 119 | | 117 | | 115 | | 113 | | 111 | | 109 | | 107 | | 106 | | 108 | | 110 | | 112 | | 114 | | 116 | | 118 | | 120 |
|
A176988 as a square array
1 | 3 | 5 | 9 | 15 | 21 | 27 | 35 | 45 | 55 | 65 | 77 | 91 | 105 | 119
| 2 | 4 | 7 | 13 | 19 | 25 | 33 | 43 | 53 | 63 | 75 | 89 | 103 | 117
| 6 | 8 | 11 | 17 | 23 | 31 | 41 | 51 | 61 | 73 | 87 | 101 | 115
| 10 | 12 | 16 | 22 | 29 | 39 | 49 | 59 | 71 | 85 | 99 | 113
| 14 | 18 | 24 | 30 | 37 | 47 | 57 | 69 | 83 | 97 | 111
| 20 | 26 | 32 | 38 | 46 | 56 | 67 | 81 | 95 | 109
| 28 | 34 | 40 | 48 | 58 | 68 | 79 | 93 | 107
| 36 | 42 | 50 | 60 | 70 | 80 | 92 | 106
| 44 | 52 | 62 | 72 | 82 | 94 | 108
| 54 | 64 | 74 | 84 | 96 | 110
| 66 | 76 | 86 | 98 | 112
| 78 | 88 | 100 | 114
| 90 | 102 | 116
| 104 | 118
| 120
|
A176988 as an upper right triangle
1 | 3 | 5 | 9 | 15 | 21 | 27 | 35 | 45 | 55 | 65 | 77 | 91 | 105 | 119
| | 2 | 4 | 7 | 13 | 19 | 25 | 33 | 43 | 53 | 63 | 75 | 89 | 103 | 117
| | | 6 | 8 | 11 | 17 | 23 | 31 | 41 | 51 | 61 | 73 | 87 | 101 | 115
| | | | 10 | 12 | 16 | 22 | 29 | 39 | 49 | 59 | 71 | 85 | 99 | 113
| | | | | 14 | 18 | 24 | 30 | 37 | 47 | 57 | 69 | 83 | 97 | 111
| | | | | | 20 | 26 | 32 | 38 | 46 | 56 | 67 | 81 | 95 | 109
| | | | | | | 28 | 34 | 40 | 48 | 58 | 68 | 79 | 93 | 107
| | | | | | | | 36 | 42 | 50 | 60 | 70 | 80 | 92 | 106
| | | | | | | | | 44 | 52 | 62 | 72 | 82 | 94 | 108
| | | | | | | | | | 54 | 64 | 74 | 84 | 96 | 110
| | | | | | | | | | | 66 | 76 | 86 | 98 | 112
| | | | | | | | | | | | 78 | 88 | 100 | 114
| | | | | | | | | | | | | 90 | 102 | 116
| | | | | | | | | | | | | | 104 | 118
| | | | | | | | | | | | | | | 120
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