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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A067339 Divide the natural numbers in sets of consecutive numbers, starting with {1,2}, each set with number of elements equal to the sum of elements of the preceding set. The final element of the n-th set gives a(n).

Table of values

n a(n)
1 2
2 5
3 17
4 155
5 12092
6 73114280
7 2672849006516342
8 3572060905817699556013859788655
9 6379809557435582128907282471160505774257452233828787563248842

List of values

[2, 5, 17, 155, 12092, 73114280, 2672849006516342, 3572060905817699556013859788655, 6379809557435582128907282471160505774257452233828787563248842]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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