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A038396
Concatenate first n even numbers in reverse order.
+0
1
2, 42, 642, 8642, 108642, 12108642, 1412108642, 161412108642, 18161412108642, 2018161412108642, 222018161412108642, 24222018161412108642, 2624222018161412108642
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
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