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A033291 formatted as a triangular array:

1
2 4
6 9 12
16 20 24 28
30 35 40 45 50
54 60 66 72 78 84
91 98 105 112 119 126 133
136 144 152 160 168 176 184 192
198 207 216 225 234 243 252 261 270
280 290 300 310 320 330 340 350 360 370

A033291 formatted as a square array:

1 2 6 16 30 54 91 136 198 280
4 9 20 35 60 98 144 207 290
12 24 40 66 105 152 216 300
28 45 72 112 160 225 310
50 78 119 168 234 320
84 126 176 243 330
133 184 252 340
192 261 350
270 360
370

A033291 formatted as an upper right triangle:

1 2 6 16 30 54 91 136 198 280
4 9 20 35 60 98 144 207 290
12 24 40 66 105 152 216 300
28 45 72 112 160 225 310
50 78 119 168 234 320
84 126 176 243 330
133 184 252 340
192 261 350
270 360
370

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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