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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.

A013756 a(n) = 15^(3*n + 1).

Table of values

n a(n)
0 15
1 50625
2 170859375
3 576650390625
4 1946195068359375
5 6568408355712890625
6 22168378200531005859375
7 74818276426792144775390625
8 252511682940423488616943359375
9 852226929923929274082183837890625
10 2876265888493261300027370452880859375

List of values

[15, 50625, 170859375, 576650390625, 1946195068359375, 6568408355712890625, 22168378200531005859375, 74818276426792144775390625, 252511682940423488616943359375, 852226929923929274082183837890625, 2876265888493261300027370452880859375]

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

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